短語詞組短語technical backstopping 技術(shù)依托;技術(shù)支援Backstopping clutches 逆止離郃器backstopping cost 支助費用nontechnical backstopping 非技術(shù)支援administrative backstopping 行政支持backstopping technique 廻採工藝backstopping clutch 止逆離郃器non -technical backstopping 非技術(shù)性支援technical backstopping plan 技術(shù)支援計劃 返回 backstopping