This production line consists of taper (parallel) double screw plastic extruder, vaccum calibrator, tractor, cutting machine and unloading machine.是什么意思_This production line consists of taper (parallel) double screw plastic extruder, vaccum calibrator, tractor, cutting machine and unloading machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句