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- culvert propulsion 涵管顶进
- box culvert propulsion 箱涵顶进
- This aircraft works by jet propulsion. 这架飞机是喷气推进的。
- A drainage passage, as to a culvert. 排水沟排水通道,如阴沟
- The propulsion system consists of five F-1 engines. 推进系统包括五个F-1发动机。
- No propulsion occurs at this time. 此时无推进力产生。
- They ran for the culvert and ducked in. 他们跑到涵洞跟前,钻了过去。
- Culvert and sluice block and sluice water. 涵闸具有挡水、泄水的作用。
- S: I am operating astern propulsion. 我船正在倒车。
- Technical requirement on propulsion shafting align. 内河船舶推进轴系校中技术要求。
- What type of fuel is used for main propulsion? 主推进装置使用何种燃油?
- Aircraft works by jet propulsion. 这架飞机是喷气推进的。
- After days of hard work, the culvert was at last completed. 经过几天的苦战,总算把涵洞修好了。
- Adduction of the upper arm to maximize forward propulsion. 内收上臂以产生最大的向前推进力。
- The liquids employed for rocket propulsion are called propergols. 用于火箭发动机的液体称为液体火箭推进剂。
- Welcome new and old customers call to buy culvert guidance. 欢迎新老客户来电来涵选购指导。
- In the long-side position there is no propulsion being effected. 在长的身体姿势时并无推进力产生。
- The propulsion of a rocket requires a great amount of energy. 推进火箭需要很大的能量。
- Rocket motors have many advantages over other forms of propulsion. 火箭发动机比其他推进器有许多优点。
- Relating to or composed of two or more propulsion units. 多阶段的有关两种或者多个推进器的、或者由其组成的