Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.<br>A:preload<br>B:liquid variable load<br>C:fixed load<br>D:basic load

Sea water temporarily pumped into tanks to simulate the increased vertical loading of environmental forces is termed（）.
A:preload
B:liquid variable load
C:fixed load
D:basic load

出自：海船船员证

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