短語詞組短語potential l barrier 勢壘potential energy barrier 勢能壘;位能障;勢壘;繙譯potential trade barrier 潛在的貿(mào)易壁壘Potential Engergy Barrier 勢壘probability potential -barrier penetration 勢壘穿透機(jī)率penetrability of potential barrier 勢壘穿透性contact -potential barrier 接觸勢壘potential barrier width 電位障寬 返回 potential barrier