ballast 是什么意思

过去式:ballasted 过去分词:ballasted 现在分词:ballasting

中文翻译与英英解释

n.
1.镇重物，压载物，压舱物，底货(石、沙等)；(轻气球的)沙囊。
2.【铁路】道碴，道圆。
3.【电学】镇流电阻，镇流器。
4.使(性格)坚定的经验[道德等]，稳定因素；〔比喻〕沉着，稳定。
短语和例子
in ballast【航海】只装底货；只装(沙、石等)压舱物。
vt.
在…上装压舱物[沙囊]；为(铁路等)铺道碴；使稳定，使沉着。
n.
-ing
1.装底货，铺道碴。
2.压舱材料；道碴材料。

	any heavy material used to stabilize a ship or airship
	an electrical device for starting and regulating fluorescent and discharge lamps 同义词：light ballast,
	a resistor inserted into a circuit to compensate for changes (as those arising from temperature fluctuations) 同义词：ballast resistor, barretter,
	an attribute that tends to give stability in character and morals; something that steadies the mind or feelings
	coarse gravel laid to form a bed for streets and railroads

make steady with a ballast

例句与用法

	1.	Arc lamps require a current-limiting ballast . 弧光灯需要一个限流镇流器。
	2.	The rail beds well on the ballast . 铁轨在道碴上搁得很稳。
	3.	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。
	4.	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。
	5.	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。
	6.	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。
	7.	Self ballasted lamps for general lighting services 一般照明用自设镇流器的灯；
	8.	Marine ballasts for high pressure mercury vapour lamp 船舶用高压汞蒸气灯镇流器
	9.	General specification for ballast tanks paint of ship 船舶压载舱漆通用技术条件
	10.	Fluorescent lamp ballasts , methods of measurement of 荧光灯用镇流器的测量方法

ballast是什么意思

ballast 是什么意思

中文翻译与英英解释

例句与用法