Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.
灰口铁--一种铁碳和硅的合金；易于铸造；在铸态下具有很好的压力紧固性。
Sometimes tightness in our legs may lead us to run with improper form, which may put pressure on a nerve and lead to the numbness.
有时候我们的腿紧张时会使我们以不恰当的形式跑步，这将对神经造成压力并导致麻木。
Some initial pressure or tightness for about 5 minutes should be expected.
一些起始压力或坚固大约5分钟之久应该是预期的。
The minimum fitting pressure and tightness using to transfer load can be easily calculated. It provides an efficiency tool for tight fitting's design and calculating.
该系统可完成有关过盈配合的最小配合面压强、传递载荷所需的最小过盈量等参数的计算，为过盈配合的设计与计算提供了一个高效的工具。
With very good air-tightness, can conduct reaction under negative pressure and easily assemble distillation, reflow device.
有很好的气密性可在负压下反应方便地组装成蒸馏回流装置。
Check the tightness of the system by slightly turn the syringe (4), the ear pressure curve should increase by some millimetres and then stabilize.
稍微转动注射器(4)，检查系统的严密性，耳压曲线应增加几毫米、然后稳定下来。
The bolt with lower stiffness accelerates the decrease of compressive stress in gasket during pressure loading, which is harmful to joint tightness.
内压加大时，刚度小的螺栓将加速垫片压紧应力的降低，对紧密性不利。
The big or small of the pressure exerted on fault surface controls the tightness and seal of spaces and inclination fractures in fault zone.
结果表明：断层面压力控制着断裂带内空腔和倾斜裂缝愈合的程度；
Flexible disc springs automatically provide leak tightness by exerting pressure, which keeps the upper and lower valve sealing rings compressed at all times.
柔性盘簧始终使上、下阀门密封环处于受压状态，自动密封防漏。
The utility model has the advantages of simple structure, easy manufacture and maintenance, low cost, good tightness, convenient pressure relief operation, etc.
它具有结构简单使制造和维护比较容易，成本低、密封性能好，卸压操作方便等优点。
Progressive symptoms of fever, headache, lower back pain, chest tightness and high blood pressure led the doctor to diagnose that Southall had been stung by an Irukandji jellyfish.
之后，索撒尔出现了发热、头痛、下背痛、胸口发闷、以及血压升高等症状。医生据此做出诊断，他是被一种叫做伊鲁坎吉的水母所蜇。索撒尔服用了止痛药，睡了一夜，中毒反应才消失。
Progressive symptoms of fever, headache, lower back pain, chest tightness and high blood pressure led the doctor to diagnose that Southall had been stung by an Irukandji jellyfish.
之后，索撒尔出现了发热、头痛、下背痛、胸口发闷、以及血压升高等症状。医生据此做出诊断，他是被一种叫做伊鲁坎吉的水母所蜇。索撒尔服用了止痛药，睡了一夜，中毒反应才消失。
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