give a nut a good screw扭: turn round紧螺母: tighten the nut横梁扭紧螺母: cross member clinch nut; cross member clinch unt扭紧螺栓: wring bolt扭紧螺丝: furbuckles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:扭紧螺母，即可在微信中查询翻译
