1)D2O transfer pump,重水输送泵2)delivery of a pump,水泵输送量3)fresh water transfer pump,淡水输送泵4)heavy diesel oil transfer pump,重柴油输送泵5)cement concrete pump truck,水泥输送泵车6)relay pump delivery,水泵接力输送
用法例句
Study of reliability fatigue life of cement concrete pump truck structure;
