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A two piece packing gland prevents cocking and stem damage.是什么意思？

A two piece packing gland prevents cocking and stem damage.

两件式填料压盖防止压盖翘起和阀杆损坏.

相关词汇
two piece packing gland prevents cocking and stem damage

two

n. 两个，两个东西，两点钟，一对；adj. 两个的，我
例句
He has been absent from his desk for two weeks...
他已经有两个星期没有坐在办公桌前了。

piece

n. 块，片，段，部分，部件，文章，音乐作品；vt. 修补，连接，接上；
例句
Mrs. Madrigal buttered another piece of toast...
马德里加尔夫人给另一片烤面包涂上了黄油。

packing

n. 包装，打包，包装材料，（缝隙）填料；v. 压紧(pack的ing形式)，装满；
例句
There's a postage and packing fee in addition to the repair charge.
除修理费之外还有邮寄和包装费。

gland

n. <解>腺，[机]密封压盖，填料盖；
例句
Goitre is a disease of the thyroid gland that makes a person's neck very swollen.
甲状腺肿

prevents

v. 预防( prevent的第三人称单数 )，阻碍，阻止，[宗教]引领；
例句
The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
照相机有内置自动防故障装置，该装置确保相机在未接到正确信号时不会启动。

cocking

压簧杆，拉紧，扣紧；
例句
A two piece packing gland prevents cocking and stem damage.
两件式填料压盖防止压盖翘起和阀杆损坏.

and

conj. 和，与，而且，于是，然后，因此；
例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

stem

n. （花草的）茎，词干，（高脚酒杯的）脚，烟斗柄；vt. 遏制[阻止]（液体的流动等），阻止，封堵，遏止；
例句
He told the magazine in an exclusive interview: 'All my problems stem from drink'.
他在接受一家杂志社的独家采访时说：“我所有的问题都是饮酒造成的。”

damage

vt.& vi. 损害，毁坏；n. 损害，损毁，赔偿金；
例句
Avoid abrasives, which can damage the tiles.
避免使用磨蚀剂，以免损坏瓷砖。
热门例句
He acknowledged publicly that he might have made a mistake.
他当众承认自己可能犯了个错误。
...the spiralling vortex airflow that slows the plane.
使飞机减速的螺旋形气流涡旋
You just go on ahead. I'll come by later...
你只管先往前走。我随后就来。
He who spares his rod hates his son, But he who loves him chastens him early.
24不忍用杖打儿子的,是恨恶他;疼爱儿子的, 趁早管教.
For further information, please contact 414 3925, extension 2253.
详情请致电414 3925,转分机2253。
He sat there while I made the case for his dismissal...
他坐在那儿，听我陈述解雇他的理由。
Baroness Thatcher's claims seem credible to many.
撒切尔女男爵的主张在很多人看来是可信的。
Nothing to be got without pains but poverty.
一份耕耘，一份收获。
This decree obliges unions to delay strikes.
该法令迫使工会推迟罢工。
The right to demand payment from the endorser of a commercial paper when the first party liable fails to pay.
追索权当有支付义务的第一方不能支付时，可以向商业票据的背书人要求支付的权力。
相关例句
There are considerable difficulties in clarifying the procedures appropriate for testing such assertions.
要说清楚适宜于检验这种主张的程序是相当困难的.
We could hear the chanting of the pickets.
我们可以听到罢工纠察员有节奏的喊叫声。
I can't concentrate when I'm hungry.
我饿了就无法集中精力。
...adolescent excess.
青春期的放肆
It was her job to make tea three times a day...
她的差事就是每天沏3次茶。
The behaviour of the stranger aroused our suspicions.
那个陌生人的行为引起了我们的怀疑。
He missed three attendances this year.
他今年缺席三次.
I should like to enroll all my children in the swimming class.
我愿意让我的孩子们都参加游泳班.
India's myths and songs are the inspiration for her books...
印度的神话与歌曲是她那些书的灵感来源。
She met him when she was at drama school.
她在戏剧学校上学时认识了他。