“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 - ...

adj.由来已久的， 习以为常的， 公共机构的， 慈善机构的...

戴安娜会意，任由他们自己去解决。Diana took the hint and left them to it.他会意地笑了。He smiled knowingly.安娜会意地咧嘴笑了。Anna grinned slyly....

"Forgive my manners," she said calmly. "I neglected to introduce myself."“请原谅我礼数不周，”她平静地说。“我忘了自我介绍了。”The woman denied that she had neglected her child.那位女士否认疏于照管自己的孩子。In his preoccupation with Robyn, Crook had neglected ...

emulsify的现在完成时为：emulsified...

matchet的音标：matchet的英式发音音标为：[mæ'tʃet]matchet的美式发音音标为：[mæ'tʃet]...

Meggie would enrich the postal service with letters every day, at least to Dane.麦琪,每天都会用信来使邮局赚到一点钱的, 至少要写给丹尼.However, Pre - S 1 is located on Dane granule and is a reliable indicator of replication.但 Pre -S1存在于Dane颗粒上,是复...

他当教士的头25年都在做研究学者。He spent the first twenty-five years of his priesthood as an academic.在女性教士的问题上,牧师们意见不一.The clergy remain divided on the issue of women priests.那男人彬彬有礼,一举一动都有教士的风度.The man was polite and his general deme...

他们确实从楼上搬到了楼下，因为房租太贵了。They actually moved down from upstairs because the rent's that expensive.现在能听见楼下人声鼎沸。Sounds of voices and commotion could be heard downstairs now.他与楼下的房东发生了争执。He was in an argument with his land...

knocking的音标：knocking的英式发音音标为：[nɒkɪŋ]knocking的美式发音音标为：[nɒkɪŋ]...

n.汽油...

General Motors acquired a 50% stake in Saab for about $400m.通用汽车公司以大约4亿美元的价格购得了萨博汽车公司50%的股份。Turbocharger technology originator - saab Saab has been committed to high - performance, high efficiency, low emission engine te...

“碎件”的英语可以翻译为：aster ...

backslide的一般过去时为：backslid...

“胆量”的近义词/同义词：胆子, 胆识。...

constrict的一般过去时为：constricted...