coarse knurl insert粗: wide; thick滚花: annular knurl; knurl; knurli ...嵌: inlay; embed; set件: piece; article; item滚花嵌件: knurled insert下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:粗滚花嵌件，即可在微信中查询翻译
