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躰密封於缸筒內(nèi)，通過(guò)活塞産生彈性功能的産口。Seai 塞亞伊Herba seai sarmentosi 垂盆草 返回 Seay