双线鞋沿缝合机doublethrow knife: 收割机的doublethreadedscrew: 双纹螺钉; 双纹螺丝doublethrowcrankshaft: 双拐曲柄轴doublethread: 双螺纹; 双头螺丝; 双头螺纹doublethrowswitch: 双投开关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:doublethreadshoeborderstitcher,即可在微信中查询翻译