The auxiliary shaft topsoil adopted ordinary construction and drainages in hygrometric well.屯留煤矿副井井筒表土段采用普通法施工,利用井外降水井疏干降水.This causes environmental damage when the topsoil is washed away by the rains.雨水冲走表层土壤会造成环境破坏。The...
This setup consists of a butterfly valve and a rotary electromechanical actuator.这套装置由蝶阀和旋转电动驱动器组成.A new torque identification strategy of valve electric actuator is proposed.提出一种新型阀门电动装置力矩辨识方法.Performance of control sys...
His heart halted suddenly, the doctor injected him with a cardiotonic needle.他心脏骤停, 医生赶紧为他注射了强心针.Abstract : Objective : To investigate the cardiotonic effect of the extract from Dendranthema morifolium ( Ramat ) Tzvel ( ...
我们陷入泥里时,牵拉更费劲了.The tug stiffened when we got into the mud.我的两只脚陷入泥中.My feet sank into the wet mud.他和牛一起出去,不幸陷入泥里.He was out with his cattle and accidentally stepped in the mud....