contact shoe触点: contact; contactor座: seat; place固定支点座: fixed fulcrum bracket基点座标系: coordinate system; base point焦点座谈小组: focus groudiscussion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:触点座，即可在微信中查询翻译
