What devices are included and how much testing and maintenance is required?
应该包括那些设备以及多少检测和维护较合理？
The other parts of the system where maintenance is required are the diaphragm valves.
系统的其它部分的维护如隔膜阀的维护也是必须的。
When maintenance is required, the user is alerted by a signal output and the LED turning ON.
当需要维护时，用户通过信号输出提醒并且LED开启。
When maintenance is required, it can be performed easily at the hydrant or at any other convenient location.
如果需要进行维护，则很容易在消防栓或任何其他方便的位置进行。
This means less maintenance is required and there are fewer things to break-which is comforting in an aircraft.
这意味着更少的维修保养并且更少的东西形成破坏——在飞机上，这是令人欣慰的。
Routine maintenance is required to ensure the maximum performance and the longevity of the controller and SEIO water pumps.
日常维护需要，以确保最佳的性能和寿命的控制器和SEIO水泵。
Because the air insulated fixed type switchgear panel is applied to the VCB, so its size is small and no maintenance is required.
它本身不含有任何有害气体，且尺寸小和免维护，可使空气绝缘的固定柜做到非常紧凑的程度。
The other parts of the system where maintenance is required are the diaphragm valves. Under normal condition, the valve's diaphragm should be replaced every two years.
系统的其它部分的维护如隔膜阀的维护也是必须的。在正常条件下，阀的隔膜每两年需要更换一次。
If unscheduled maintenance is required, how long will it take to find a replacement aircraft and will that aircraft be of the same type and quality as my original aircraft?
如果需要进行非计划内维护，你需要多长时间找到一架与我原来飞机同型号、同质量的替换运力？
An efficient burner system is essential for obtaining optimal performance from you AA instrument - and proper maintenance is required to obtain precise and accurate determinations.
高效的燃烧器系统对于获取原子吸收光谱仪的最佳性能至关重要，必须进行适当的维护，才能获得精准的测定结果。
Virtual Network Computing (VNC) support is required for remote maintenance, especially if the system has no monitor or keyboard.
需要通过虚拟网络计算 (VNC)支持来进行远程维护，特别是当系统没有显示器或键盘时。
This method is probably more expensive than the first in terms of performance, amount of code required, and necessary maintenance.
相对于第一种方法，这种方法可能在性能、所需的代码数量和必要的维护方面需要更大的开销。
Database maintenance (for example, identification that a database backup is required; this category is new to DB2 V8.2).
数据库维护(如辨别是否需要进行数据库备份；这一类别是DB 2“Stinger”中新增的)。
The following table summarizes the types of S&P 500 Index maintenance adjustments and indicates whether a divisor adjustment is required.
下表归纳了标准普尔500指数维持调整(maintenance adjustments)的类型，并标明了是否需要进行除数调整。
On z/OS, with appropriate maintenance, WebSphere MQ is designed to backward migrate objects, so a backup is not required (although it is still good practice to take one).
在z/OS 上，借助适当的维护，WebSphereMQ被设计为可以向后迁移对象，因此不需要任何备份（但进行备份仍然是良好的实践）。
It is required for the maintenance of healthy cartilage, bones, teeth and gums.
对于维持健康的软骨，骨头，牙齿和牙龈，它是必需的。
The proper maintenance allows the equipment to work much more efficiently with a longer operating life, so the regular maintenance for the equipment is highly required.
正确的维护与保养能更好地发挥设备的性能，延长设备的使用寿命，所以必须定期对设备进行维护和保养。
Maintenance of grinding wheel: Coolant is not required. The grinding wheel is of super-tolerance to abrasion and electroplated type, without the need for calibration or repair.
砂轮维护：不需要冷却剂。砂轮为超耐磨、电镀型，不需要校准或修复。
The gene encodes a cell membrane receptor, which has a role in the intracellular communication, and is required for cell differentiation, cell mobility and maintenance of correct tissue structure.
该基因编码一种细胞膜受体，这种受体在细胞内信息传递中起作用，同时也在细胞分化、细胞活动性、维持正常组织结构中起作用。
Structure design for easy operation and maintenance: The unit with compact structure is required less space for repairing and is accessed in front for maintenance.
机组结构紧凑，只需很小的维修空间及地面空间，全正面维护。
Therefore, the accurate measurement of the labyrinth gap of aeroengine is very necessary and required in the process of research, improvement, maintenance and manufacturing.
因此，准确测量发动机的篦齿间隙在航空发动机研发、改进、制造以及维护的过程中是十分必要也是必需的。
The metal watchband watch for a long time is easy to wear, so the daily maintenance is also required.
金属表带的手表佩戴久了就容易磨损，这样日常的保养也是需要的。
The ARGOS regulator is an extremely versatile flow control device for gas applications where pressure reduction is required excellent in performance and easy maintenance are beneficial.
ARGOS减压阀是一非常多用途的流量控制装置，对瓦斯气体要求精确减压控制与维护简单的使用尤其具效益。
In as far as maintenance or inspection work is required, the Buyer must perform such work in due time and at its own expense.
对于必需的保养和检查工作，买方必须适时的履行并承担相应的费用。
As for a restaurant, only having a good environment is not enough. Employing a number of staff is also required to carry out equipment maintenance and serve the restaurant.
对于一个餐馆来说，只有良好的环境还是不够的，还要聘招一些员工来进行对设备进行维护，还有对餐馆的服务。
Economy is not only the prices of products, but also to give priority to their functions and quality as well as installation and maintenance costs required for other accessories.
经济性不单是产品的售价，更要优先考虑其功能和质量以及安装维修及其它附件所需用费用。
Occasional travel to mainland and overseas is required. Experience for ship computers maintenance is an advantage.
有时需往返内地、国外出差，有船舶电脑管理经验者优先考虑。
Occasional travel to mainland and overseas is required. Experience for ship computers maintenance is an advantage.
有时需往返内地、国外出差，有船舶电脑管理经验者优先考虑。
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