Pressure and flow pulses may be used to keep the tubes unobstructed. 可用壓力和流動(dòng)脈沖使管子暢通。
It may be alternatively expressed as pressure potential-the hydrostatic pressure to which water in a liquid phase is subjected. 膨壓也可以用壓力勢表示，即液態(tài)水產(chǎn)生的靜水壓。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
