A method of assembling HVAC ductwork components is described.
描述了一种组装HVAC管道系统部件的方法。
The method includes the step of coupling together first and second ductwork components.
该方法包括将第一和第二管道系统部件连接在一起的步骤。
The performance of electric actuator is very important for the controlling of electric valve, even for the ductwork.
电动执行装置性能的好坏，对电动阀门甚至整个管道系统的控制都具有十分重要的影响。
Electric valve is a very important part of ductwork which is used to stop or regulate the flow of medium in the pipe.
电动阀门是管道系统中非常重要的器件，其控制驱动部件是电动执行装置。
These measures enabled the removal of low ceilings and ductwork, and significantly reduced the home's energy consumption.
这些措施能够移除较低的天花板和管道系统，并显著降低家庭的能源消耗。
We can also utilize slotted ductwork with high velocity air in combination with the various heat sources we have available.
也可以使用高速气流下的有沟缝的管道系统配合各种加热源，我们都有供应。
An alternate embodiment includes a support frame for positioning the filtration system in ductwork or the like other than a return air inlet.
一个替代实施例包括用于将过滤系统定位在除回风管之外的管路等等中的支承框架。
BS 5588-9-1999 Fire precautions in the design, construction and use of buildings. Code of practice for ventilation and air conditioning ductwork.
建筑物使用，建造和设计中的防火安全。残疾人疏散方法的实施规程。
The system also contains either ductwork, for forced air systems, or piping to distribute a heated fluid and radiators to transfer this heat to the air.
系统包括强制送风的风路系统或加热流体的管路系统，通过散热器传给空气。
45-year-old Billy Jordan had tried to enter the restaurant the night before by climbing through the ductwork, but became stuck and stayed there for ten hours.
45岁的比利约但试图爬进通气管潜入饭店但他卡在里面长达十小时。
All ductwork shall be constructed of materials that will be stable to and not react with perchloric acid and/or its byproducts and will have smooth welded seams.
所有管道均应采用性质稳定，且不会与高氯酸及其衍生物发生反应的材质，风道接缝要光滑焊接。
For ship yard, cooling side no water pumps, ductwork, inlet filters, vlves, electrical equipment and savings are need, less installation cost, Fot the owner, less maintenance.
对船厂来说，冷却水侧不需要泵、水管、滤器、阀和电控设备等，安装制造费用低；
The method additionally includes the steps of wrapping a seal about a joint formed between the first and second ductwork components and positioning a ring clamp about the seal.
该方法另外还包括将密封包围在形成于第一和第二管道系统部件之间的连接部周围并且将环形夹具放置于此密封的周围。
Ventilation ductwork can be flexibly installed on both sides of the device, perfect ventilation and dust collection system will ensure the active ingredients of sand in the minimal loss.
冷却床引风管路可灵活地安装于设备的两侧，完善的通风除尘系统保证型砂中的有效成分损失最小。
Forced air systems send heated air through ductwork. During warm weather the same ductwork can be used for air conditioning. The forced air can also be filtered or put through air cleaners.
强制送风系统通过风管送热风，热天风管也可用于空调强制送风也可过滤或连接空气净化器。
Electric actuator is just the controlling and driving part of electric valve. The performance of electric actuator is very important for the controlling of electric valve, even for the ductwork.
电动执行装置性能的好坏，对电动阀门甚至整个管道系统的控制都具有十分重要的影响。
Electric actuator is just the controlling and driving part of electric valve. The performance of electric actuator is very important for the controlling of electric valve, even for the ductwork.
电动执行装置性能的好坏，对电动阀门甚至整个管道系统的控制都具有十分重要的影响。
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