available net positive suction head

泵阀词典软件中... ... actual theoretical head 输入扬程 available net positive suction head 有效汽蚀余量 beam head 摇臂头 ...

... available head 有效水头，有效压头* available net positive suction head 有效净正吸入压头* spoiled 损坏了的，弄坏了的 ...