单词	阶梯活塞
释义	阶梯活塞step piston
随便看	domestic pig-- sus domesticus domestic pig--sus domesticus domestic pig; sus domesticus domestic poisoning domestic prelate domestic price domestic priority for patent filing domestic produce domestic product account domestic production domestic public-frequency bands domestic quadrangle index domestic rates domestic refuse domestic relations court domestic relations court,domestic-relations court domestic resource cost domestic robot domestic rules domestics domestic sampling domestic satellite domestic satellite carrier domestic satellite communication service domestic satellite communication service {=domsat}