corrugated barrasp bar纹: lines; veins; grain杆: shaft; rod; bar螺纹杆: screw pile; thread rod; threaded rod纹杆座: rub bar support两端螺纹杆: tabolt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:纹杆,即可在微信中查询翻译