spring coupling catch弹簧: spring; mechanical spring联接: strapping; coherence; lashin ...挡: keep off; ward off; block; r ...弹簧联结器: spring hitch弹簧联轴节: spring coupling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:弹簧联接挡,即可在微信中查询翻译