The bottom of the disc is made of knife-shaped gate with a cut off function of the medium. When gate is closed, oblique plane of gate valve encounters wedge block of gate to achieve sealing effect.
闸板底部做成刀形斜面具有切断介质功能，而且闸板关闭时通过阀体上的锲块紧靠闸板斜切面使得闸板紧紧贴靠阀座密封面，从而起到了密封效果。
A run on the dollar has killed off hopes of a rate cut.
对美元的挤兑使降息彻底无望了。
He cut his son off without a penny.
他完全剥夺了儿子的继承权。
Mrs. Johnson cut off a generous piece of the meat.
约翰逊太太切下一大块肉。
The government announced a cut-off in overseas aid.
政府宣布停止对外援助。
Is there a cut-off point between childhood and adulthood?
童年与成年之间有分界线吗？
Without a car we still felt very cut off.
没有车我们还是觉得与外界隔绝了。
While it is true that you may be among friends in a village, it is also true that you are cut off from the exciting and important events that take place in cities.
虽然你可能真的是村里的朋友，但这也确实使您脱离了城市中令人兴奋的重要事件。
Van Gogh cut off his left ear with a razor blade in 1888.
1888年，梵高用剃须刀片割掉了自己的左耳。
It would be a good idea to use a plastic bottle, with its top cut off, as a container to grow young plants in.
把塑料瓶的顶部剪掉当作种植幼苗的容器是个好主意。
Meanwhile, government spending that would make everyone better off was being cut down because people instinctively—and wrongly—labeled government only as "a necessary evil".
与此同时，本可以让每个人生活更好的政府开支却被削减了，因为人们本能地——且错误地——将政府贴上了“必定邪恶”的标签。
我砍掉了他的一部分。
Now there was a sword that cut off an enemy's head whenever the wearer gave the words, "Heads off!"
这有一把剑，只要佩带者说一句“砍头！”，它就会砍下敌人的头。
Participation in a deadly car race gives you the right to cut off your rival, ram his car, hit it in the rear and do anything that is not allowed on the road.
参与到一场死亡赛车中，你拥有阻断对手的权利，冲撞他的赛车，从后面撞它，做任何在公路上不允许的事。
Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.
它陡峭的岩石边从一个宽阔的基地上拔地而起，直到在平坦的山顶下突然被切断。
Inuit families going off on snowmobiles to prepare their summer hunting camps have found themselves cut off from home by a sea of mud, following early thaws.
因纽特人的家庭为了准备他们的夏季狩猎营地而开着雪地摩托外出，结果发现在早期解冻之后，他们被一片泥浆的海洋切断了与家的联系。
The girl thought for a moment, and then took a knife and cut off one of her fingers.
女孩想了一会儿，然后拿起一把刀砍下了自己的一根手指。
Even when a limb has been severed or cut off from the nervous system, the nerves that once serviced it remains alive and well.
即使当四肢被截断或者其与神经系统失去了联系，曾经可以感受截肢存在的神经仍旧是正常工作的。
Living in a glare of our making, we have cut ourselves off from the light of the stars.
我们生活在自己制造的强光下，却把自己与星光隔开。
The country has the advantage of peace and quiet, but suffers from the disadvantage of being cut off; the city breeds neurosis and a feeling of isolation—constant noise batters the senses.
这个国家有和平宁静的优点，但也有与世隔绝的缺点；城市滋生了神经衰弱症和孤立感——连续的噪音冲击着人们的感官。
Never for a single moment cut yourself off from the masses.
一时一刻也不要脱离群众。
A lizard will regenerate its tail if it's cut off.
蜥蜴的尾巴如被切掉，它会重新生出一条尾巴。
But it was where Hashim was set on by four men, had a finger cut off and was badly beaten.
但是，哈希姆就在这里受到四个男人的攻击，他被切掉一根手指，而且遭到毒打。
He had a finger cut off by a machine while working.
他在工作时被机器切掉了一个手指。
Such things as light and wind only have meaning when they are introduced inside a house in a form cut off from the outside world.
类似光与风的东西只有在被以一种与外部世界隔绝的形式引入一座房子后才变得有意义。
We become a fragment, cut off from the rest of existence.
我们成了一个片段，与其它存在剥离开来。
If you can't find a small enough squeegee, you can cut off a larger one to fit your glass size.
如果你找不到一块足够小的清洁刷，你可以从大的上面切一块以适应你所要清洗的玻璃大小。
According to Bousso and colleagues, the only way to avoid this conundrum is to introduce a cut-off point, which then helps make sense again.
根据布索和他同事的观点，避免这个难题的唯一方式就是引进一个标准，这样才能使得更有意义。
It's become a cultural norm: women of a certain age cut off their hair.
已经成为文化范畴：一定年龄的女性剪掉他们的头发。
The researchers speculate that a Neanderthal cut off the panther PAWS and kept them.
研究人员推断，第一种可能性是尼安德特人切断了豹爪，并把它们保存起来。
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