Warning: file_put_contents(): Only 0 of 4826 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 Seay例句_Seay英汉例句_Seay双解例句_沉淀汉英词典
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。