... 4,4’-氯代双苯磺酰肼;4,4’-对磺酰肼二苯醚;OBSH;4,4'-Oxybis(benze…… 净正吸上压头;net positive suction head;NPSH 管衬;bush;bushing ...
基于13个网页-相关网页
net positive suction head
... 液柱静压头;hydrostatic head 净正吸上压头;net positive suction head;NPSH 扬程;head ...
基于12个网页-相关网页
短语
必需净正吸上压头
net positive suction head required