常見(jiàn)例句Model YQ Compressive Pneumatic Springs Seai the hogh-compressed air in the cyinder and produce eiasic force on a piston. YQ型壓縮氣彈簧是一種將高壓氣體密封于缸筒內(nèi)，通過(guò)活塞產(chǎn)生彈性功能的產(chǎn)口。Herba seai sarmentosi 垂盆草 返回 Seai