Four driveng ways,manually,electrically,air-ioerating and gear-driving,structure type,elas tic wedge type with sing le gate board,rigid wedge type with single or dual-gate board. 5.是什么意思_Four driveng ways,manually,electrically,air-ioerating and gear-driving,structure type,elas tic wedge type with sing le gate board,rigid wedge type with single or dual-gate board. 5.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句