The cryogenic liquid drained directly into water was studied.
研究了低温液体的水下直接排放问题。
The purpose of the grooves is to transport the liquid being drained to the drainage holes of the belt.
凹槽的目的是将正要排出的液体输送到排水孔。
With the drainage bag, liquid can be drained simply by opening the adjusting valve.
使用时，需要排液则打开调节阀 即可；
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