Driving wheel made of UHMW-PE meterail, the weight is only 45% compare to metal meterail, stronger tenacity,more wear-resisting, more quiet.是什么意思_Driving wheel made of UHMW-PE meterail, the weight is only 45% compare to metal meterail, stronger tenacity,more wear-resisting, more quiet.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句