常见例句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,通過活塞産生彈性功能的産口。Herba seai sarmentosi 垂盆草 返回 Seai