短语词组短语energy dissipater 消能工dissipater r 耗散器dissipater trail 浪子行迹percussive dissipater 撞击式消能工stepped energy dissipater 阶梯消能工energy dissipater ratio 消能率auxiliary energy dissipater 辅助消能工t -shaped dissipaer 型消力墩 返回 dissipater