常见例句雙語例句The utility model relates to a pneumatic injection pump, comprising a cover board, a vessel, an air inlet, compressed air, mortar and a grout outlet.氣壓式注漿泵主要由蓋板、容器、進氣口、壓縮空氣、砂漿和出漿口組成。ip.com 返回 pneumatic mortar pump