The purified water then descends by gravity to a basement holding tank .
经过净化的水靠重力流到地下室的另一个集水箱里。
The purified water then descends by gravity to a basement holding tank.
经过净化的水靠重力流到地下室的另一个集水箱里。
A zero-gravity thermodynamic vent system which is desirable to be used in a cryogenic propellant tank is briefly presented.
简要介绍一种可供选择使用的低温燃料贮箱零重力排气系统。
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