短語詞組短語stepped energy dissipater 堦梯消能工energy dissipater ratio 消能率auxiliary energy dissipater 輔助消能工plug energy dissipater 洞塞消能interior energy dissipater 內(nèi)消能工open ditch energy dissipater 明溝消能trajectory bucket energy dissipater 挑流消能energy dissipater of bottom 底流消能工circular -ring energy dissipater 圓環(huán)耗能器 返回 energy dissipater