air sac造句

1、This shaft have overcome the problems which a single air sac of a traditional one existence.
这种轴克服传统气胀轴单一气囊所存在问题

2、Objective: to invent an intracavity air sac urinary catheter to meet the clinical requirement.
目的研制一种适合临床需要的腔内气囊导尿管。

3、COMPUTER SOLUTION OF DASH AIR SAC IN PRESSURE FLUID
压力水流冲击气囊的计算机研究

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