acting head〔名词〕有效水头;n.作用水头详细»
acting head〔名词〕有效压头详细»
acting head〔名词〕有效水头,作用水头,工作不头详细»
有效水头acting head;available hydraulic head;effective head详细»
有效水头acting head;available head;effective head详细»
有效水头acting head;effective head;net head详细»
有效水头available head;effective head详细»