This company mainly researches and develops, produces each kind of elbow piece, the pipe, cuts machineries as well as the twisting machine and so on tube, series products and so on glass mold.是什么意思_This company mainly researches and develops, produces each kind of elbow piece, the pipe, cuts machineries as well as the twisting machine and so on tube, series products and so on glass mold.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句