短語詞組短語technical backstopping 技術(shù)依托;技術(shù)支援Backstopping clutches 逆止離合器backstopping cost 支助費(fèi)用nontechnical backstopping 非技術(shù)支援administrative backstopping 行政支持backstopping technique 回采工藝backstopping clutch 止逆離合器non -technical backstopping 非技術(shù)性支援technical backstopping plan 技術(shù)支援計(jì)劃 返回 backstopping