Question

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The exhaust hood is totally independent of the inner casing and is subjected to movements from the condenser to which it is connected.
The relative movements between the exhaust hood and the inner casing are entirely taken up by the flexible joints which connect them.
For all guiding systems.the quality of the machining of the contact surfaces and the choics of materials enables the coefficients of friction to be reduced and to thus ensure the longevity of the parts
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Answer 1

排气装置完全独立于内部包装，并且受制于跟它相连接的冷凝器的运转。
在排气装置与内部包装之间相关的运转全部由连接它们的柔韧的接头完成。
对于所有定向系统，连接表面加工的质量和材料的选择能够减少摩擦系数，从而确保部件的使用寿命。