Terms for subject Mining containing back

English	Chinese
back pressure	反【回】压
back-pressure control	回压控制
back-pressure valve	回压阀
back shift	一个工作日内的第二交接班
center of pressure back	回压中心
maximum allowable back pressure	最大允许回压
old well plugged back	老井封堵
plugged back	填塞回采