舵: 名词(船、飞机等控制方向的装置) rudder; helm 短语和例子倒车舵 flank rudder; 方向[垂直] 舵 vertical rudder; 空气动力舵 aerodynamic rudder; 平衡舵 balanced rudder; 升降舵 elevating rudder; 掌舵 take [be at] the helm; 回舵! ease the h
安装: install; erect; fix; mount; assemble; get-set; set up; put-on; fix assemblage 短语和例子安装电话 install a telephone; 安装机器 install machinery; 安装扩音器话筒 set up a microphone; 安装蒸馏塔 erect a distillation
