悬浮粒子的监测系统应当考虑采样管的长度和弯管的半径对测试结果的影响。
Where airborne particle monitoring systems are used, the length of tubing and the radii of any bends in the tubing must be considered in the context of the effect on test result.
弯管是火力发电厂主蒸汽管道系统中较易损坏的部件之一。
Elbow is one of parts in the system of main steam pipe which is easy to damage.
考虑到血管具有一定的弯曲度，本文引入了一种新的坐标系统，解决了弯管中的振荡流问题。
Considering vessels have some curve, we solve the oscillatory fluid problems of a curved pipe with circular section by introducing a new coordinate system.
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