dowel screw双头: double-end螺丝钉: screw两头螺丝钉: dowel screw平头螺丝钉: pan head screws双头螺丝: double thread; doublethread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:双头螺丝钉，即可在微信中查询翻译
