ballast rod

 
  • 冲唤钻杆

ballast rod的用法和样例:

例句

  1. Pig iron used as permanent ballast.
    压载铁做为永久性压舱物的生铁
  2. I bought a new fishing rod last Sunday.
    上星期日我新买了一个鱼竿。
  3. The ship was furnished with ballast.
    船上装了压舱物。
  4. The movable target on a leveling rod.
    视准器水准尺上可移动的目标
  5. The rod bent as he pulled in the fish.
    当他把鱼拉上来时,鱼竿都弯了。
  6. 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。
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