ballast造句

• Arc lamps require a current-limiting ballast .
  弧光灯需要一个限流镇流器。
• The rail beds well on the ballast .
  铁轨在道碴上搁得很稳。
• He furnished psychological ballast to a desperate president .
  他给一位在绝望中挣扎的总统提供了心理镇定剂。
• The rails of the two tracks are supported on wooden ties resting on a ballast .
  两条线路的钢轨放置在有道碴承托的枕木上。
• So are the motions of a little vessel without ballast tossed about on a stormy sea .
  在惊涛骇浪的大海上，一只没有压舱物的小船就是这样颠颠簸簸。
• It was my conviction that a concept of our fundamental national interests would provide a ballast of restraint an assurance of continuity .
  我认为，对于我们的基本民族利益有了一个概念，才能保证沉得住气，才能保证始终如一。
• Self ballasted lamps for general lighting services
  一般照明用自设镇流器的灯；
• Marine ballasts for high pressure mercury vapour lamp
  船舶用高压汞蒸气灯镇流器
• General specification for ballast tanks paint of ship
  船舶压载舱漆通用技术条件
• Fluorescent lamp ballasts , methods of measurement of
  荧光灯用镇流器的测量方法
• Fluorescent lamp reference ballasts , specifications for
  荧光灯标准镇流器规范
• Self ballasted fluorescent lamps for general lighting
  一般照明用自镇流荧光灯
• Ac supplied electronic ballasts for fluorescent lamps
  荧光灯用交流电子镇流器
• Lighting chains ; ballasts for tabular fluorescent lamps
  管形萤光灯镇流器；
• Aggregates for railway ballast ; german version en 13450 : 2002
  铁道路基用集料
• Codes of disinfection for ballast water in entry - exit ships
  入出境船舶压舱水消毒规程
• Ballasts for high pressure mercury vapour lamps
  高压汞蒸汽灯镇流器.修改件2
• ( 5 ) adding and settling of ballast in delamination
  ( 5 )分层上碴和整道。
• Electronic ballast for t5 fluorescent lighting tube
  T5型荧光灯电子镇流器
• A . c . supplied electronic ballasts for railway passenger car
  铁道客车用交流电子镇流器