Medium through the valve when the flow direction of these changes, so a higher cut-off valve on the flow resistance of the other valve.
介质通过此类阀门时的流动方向发生了变化，因此截止阀的流动阻力较高于其它阀门。
Through doing some technical remakes on well resistance furnace the annealing quality of steel wire has been improved and the energy consumption has been cut down.
井式电阻炉经技术改造后提高了钢丝的退火质量，降低了能耗。
Through doing some technical remakes on well resistance furnace the annealing quality of steel wire has been improved and the energy consumption has been cut down.
井式电阻炉经技术改造后提高了钢丝的退火质量，降低了能耗。
应用推荐