... 泵吸入端压头太小 starve a pump 需用净正吸入压头 required net positive suction head 进口压头 吸入压头 inlethead ...
基于24个网页-相关网页
... Reproduction of accident's scene 肇事现场还原 Required Net Positive Suction Head RNPSH 需求吸水净扬程 Rescue vehicles 工程救险车 ...
基于10个网页-相关网页
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