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。
This paper is on the harm of lab's waste liquid drained off without disposal and classification disposing methods and attention to lab's waste liquid.
主要讨论实验室废液不加以处理任意排放的危害性，实验度液的种类、处理方法及注意事项。
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。
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