选择制 meaning in English

selecting system
selective system

Selector switches for the by - pass butterfly valve is located on mcc2
旁通电动蝶阀的选择制设在mcc2上。
Selector switches for the excess sludge pump is located on mcc2 , it is equipped with an emergency stop
剩余污泥泵的选择制设在mcc2上,在水泵旁设紧急按钮。
Selector switch for the submersible mixer is located on mcc2 . it is equipped with an emergency stop
潜水搅拌机的选择制设在mcc2上,在潜水搅拌机旁设紧急按钮。
Many hydrogen users may have works to do when choosing suitable methods for hydrogen production at small or medium scale
摘要中小规模的氢气用户在选择制氢方法时应考虑自己的用氢特点。
Selector switches for the return sludge pump no . 1 - 3 are located on mcc2 , each equipment is equipped with an emergency stop
污泥回流泵1号, 2号及3号的选择制设在mcc2上,在水泵旁设紧急按钮。