There are two principal objectives facing primary cementing operations-casing support and zonal isolation.

  • 在固井作业中有两个最基本的目标:支撑套管与层间封隔.
  • 来源:网络文摘精选更新时间:2026-07-13 08:13:38

  • 重点词汇
  • arevi.(用于第二人称单复数现在时,第一、三人称复数现在时)是;
  • thereadv. 在那里;那里;在那一点上;
  • zonaladj.带状的;纬向;
  • 两名n.Two; two things; two o'clock; a pair;
  • primary cementing初次注水泥;
  • supportv.支持;帮助,资助;养活,维持;支撑;证实;
  • facingn.饰面,覆盖(如墙壁的)表面的覆饰;(衣服的)贴边;
  • andconj. 和;与;而且;于是;然后
  • 相关例句
1、

The software system has zonal programme design and modularization, which reduces the software maintenance cost.

在软件开发上采用了分层化和模块化设计技术, 改善了程序的可维护性.

网络文摘精选

2、

Morphology and cytohistological zonation appeared different between cone apex and the vegetative shoot apex.

雌球果原基与营养茎端在外部形态及内部细胞组织学分区结构有明显差异.

互联网摘选

3、

Both weathering crust zonation and quality classification of rock mass are important for shallow-buried tunnels.

风化壳分带和岩体质量分级对浅埋隧道设计和施工很重要,需对这两套系统定性和定量指标做平行判别.

互联网摘选

4、

The U.N. has declared it to be a safe zone.

联合国已宣布它为安全区。

《柯林斯高阶英汉双解学习词典》

5、

Many people have stayed behind in the potential war zone.

许多人留在了可能会沦为交战区的地方。

《柯林斯高阶英汉双解学习词典》

6、

Takes along the wind zone rain Senlake gradually the line to edge.

携风带雨的“森拉克”渐行渐近.

网络文摘精选

7、

a demilitarized zone

非军事区

《牛津高阶英汉双解词典》

8、

As women were not permitted in the war zone, Eleanor would have to stay behind.

女性是不允许进入战区的,所以埃莉诺不得不留在后方。

《柯林斯高阶英汉双解学习词典》

9、

He said thousands of Koreans still levelled guns at one another along the demilitarised zone between them.

他说在非军事区两边仍然有数以千计的韩国和朝鲜军人用枪互相瞄准对方。

《柯林斯高阶英汉双解学习词典》

10、

It is a fairly mature development zone.

是一个比较成熟的开发区.

网络文摘精选

11、

We overflew the war zone, taking photographs.

我们飞越战区摄影。

《牛津高阶英汉双解词典》

12、

The area could be turned into a demilitarized zone.

该地区可能会成为非军事区。

《柯林斯高阶英汉双解学习词典》

13、

How is the economic development zone going on?

现在经济开发区怎样了?

《简明英汉词典》

14、

Qipanshan scenic International Tourism Development Zone is greeting tourists all sides in a new attitude.

棋盘山国际风景旅游开发区正以一个崭新的姿态迎接八方游客.

网络文摘精选

15、

Is located in Guangzhou Zone, Guangzhou City, the focus of electricity production and district heating companies.

是位于广州开发区的广州市重点电力生产和集中供热企业.

网络文摘精选

16、

to provide humanitarian aid to the war zone

给战区提供人道主义援助

《牛津高阶英汉双解词典》

17、

The area has been declared a disaster zone.

这个地区已经被宣布为灾难地带。

《柯林斯高阶英汉双解学习词典》

18、

I have been asking lots of coaches about zone defense.

我已经问过许多教练关于区域联防的问题.

互联网摘选

19、

Man-to-man defense and zone defense are alternatives to a basketball team in a match.

人盯人防守和区域联防是球队在一场篮球赛里的两种选择.

互联网摘选

20、

Nowitzki: I think they clogged the lane really well with the zone defense.

诺维茨基: 我觉得他们很好地运用了区域防守,从而封锁住了通往内线的道路.

互联网摘选

  • 今日热词
  • 热门搜索

英语网英语词典(dict.25820.com)为您提供在线翻译英语词典单词大全英译汉汉译英等英语服务!可按单词字数词义分类查询。支持lj:关键词格式查询例句。

用户反馈
请选择反馈类型(可多选):
您的联系方式:
反馈内容:
提交成功 小编会尽快处理
回到顶部
点击反馈