9 car doors and other sound insulation -- only vehicle production process to complete the matter, can't touch.

车内门板等隔音——隔音只能是车辆出产进程中才干完结的事，不能再乱动。

youdao

9 car doors and other sound insulation -- only vehicle production process to complete the matter, can't touch.

车内门板等隔音——隔音只能是车辆出产进程中才干完结的事，不能再乱动。

youdao