您要查找的是不是:
- Research and design of top grade ballast cleaning system 特级碎石道碴清洗系统的研究与设计
- Research on Increasing Low Running Speed of Train After Ballast Cleaning 提高线路清筛作业后慢行速度的研究
- Setting High Standards for the Ballast Cleaning of Switches to Ensure the Train Operation Safety 高标准完成道岔破底清筛确保列车运输安全
- Impact of Ballast Cleaning and Track Maintenance by Large Machinery on Resistance of Track Bed 大型养路机械清筛和维修作业对道床阻力的影响
- Pig iron used as permanent ballast. 压载铁做为永久性压舱物的生铁
- Clean clothes and good manners are prepossessing. 清洁的衣服和良好的举止能给人以好感。
- The ship was furnished with ballast. 船上装了压舱物。
- Difficult Points and Countermeasures in Mechanized Intermediate Overhaul for Track Ballast Cleaning of Jinpu Railway 津浦线机械化抛床中修的难点与对策
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- The dentist was cleaning and taking out teeth. 牙科医生正在清洁和拔牙。
- The ballast placed in the ship can keep the ship steady. 放在船上的压舱物可以保持船的平稳。
- It's important for the college freshman to keep his nose clean. 对大学新生而言洁身自好是很重要的。
- The Optimal Design of Cleaning Screen of the Hydraulic Ballast Cleaner 全液压枕底清筛机筛分机构的优化设计
- Why is it that I always land up cleaning the bath? 为什麽总是该我来洗刷浴缸?
- He was busily employed in cleaning his shoes. 他忙著擦鞋。
- She is cleaning up the kitchen now. 她现在正在打扫厨房。
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- She was cleaning the bedroom when he called her. 他给她打电话时她正在打扫卧房。
- She is busy cleaning the fowls in the kitchen. 她正在厨房忙著清除家禽的内脏。
- We'll give the house a thorough cleaning. 我们要把房子彻底打扫一番。