信号有毛刺英文

产品外观Product external appearance叠层Fold a layer毛刺The hair stab焊接Weld组装Construction

Product external appearance 产品外观 Fold a layer 叠层 The hair stabs 毛刺 weld 和 iointing 焊接 Construction 和 assembly 组装

signal, (gesture, sound) 信号