常見(jiàn)例句雙語(yǔ)例句Equally effective in checking back flows from head pressure on the discharge or suction sides of pump.無(wú)論是泵的排泄口的排出壓力，還是泵的吸入口，其流躰止廻的傚果都是相同的。The relation ship of net positive suction head of pump versus silt-content in silt- leder water flow is analyzed and established theoretically.從理論上分析推導(dǎo)了抽送含沙水流時(shí)泵的汽蝕餘量隨含沙量的變化關(guān)系。 返回 suction head of pump