“套管头”用英语怎么说

本文介绍了新型套管头的结构 、 工作原理 、 强度 、 安装操作及推广应用.Its structure, working principle, strength, assembling procedure and popularization are described.国内各油气田使用的套管头分为环形钢板 、 简易套管头和正规套管头三大类,它们在现场使用中均存在一些问题.The three - type casing heads - ...

Euascales的音标：...

n.正式批准，认可，承认...

“地雷”的英语可以翻译为：(land) mine，land mine，landmine，torpedo ...

Sade spends his time in the bastille.萨德正被关在牢狱.Help for the Bastille prisoner's kindred in La Force!到拉福斯营救巴士底囚徒的亲人!" You did good service at the taking of the Bastille, citizen? "“ 你在攻占巴士底狱时表现良好,是么, 公民? ”...

n.汽笛( hooter的名词复数 )...

Savings from abbreviating any one name aren't dramatic, but they add up.任何单个名字的缩写都不可能带来戏剧性的节省, 但是它们可以累积起来.Develop your own way of abbreviating words.养成自己词语缩略方法.Abbreviating some words when listening to the news can ...

The jeweler charges lots of money to set diamonds in a bracelet.珠宝匠要很多钱才肯把钻石镶在手镯上.The jeweler's display showed the diamonds to advantage.珠宝商的展示使那些钻石更为醒目.The jeweler scrutinized the diamond for flaws .宝石商人仔细察看钻石有无瑕 庇...

She was fully conscious all the time and knew what was going on.她一直都很清醒，知道是怎么回事。He had no conscious memory of his four-week stay in hospital...他对自己住院的4个星期没有任何有意识的记忆。She was conscious of a second man hanging on to the rai...

“古代”的反义词：现代。...

二嗪农...

远处山峦重沓,仿佛是一幅画.In the distance lies a picturesque chain of towering mountains....

Butter, margarine, and oily fish are all good sources of vitamin D.黄油、人造黄油和多脂鱼都含有丰富的维生素D。As a hangover from rationing, they mixed butter and margarine.作为食品配给制的一种遗留影响，他们总把黄油和人造黄油混在一起吃。Sunflower margarine has the same fat ...

我们从可靠的消息来源获知索尼娅非常爱自己的家人。Sonia, we are reliably informed, loves her family very much.别相信别人告诉你的话，用独立的信息来源再核实一遍。Don'tbelieve what you are told; double-check with an independent source.我们有可靠的消息来源。We have reliable source...

unbelievable的音标：unbelievable的英式发音音标为：[ˌʌnbɪ'li:vəbl]unbelievable的美式发音音标为：[ˌʌnbɪ'livəbəl]...

canyon的音标：canyon的英式发音音标为：['kænjən]canyon的美式发音音标为：['kænjən]...