“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 - ...

Why don't you look at the weather report? "你口袋里装着报纸.报上有天气哩. ”Because the weather report says that the temperature will be blow zero after that.因为天气预报说下雨后,气温会在零摄氏度以下.Yes. Did you listen to the weather report on the r...

purport的现在完成时为：purported...

adv.兴奋地，激动地，勃然，兴冲冲...

n.间步带，（无脊椎）间辐...

她能听到他不均匀的呼吸声，似乎他是跑着过来的。She could hear his ragged breathing, as if he had been running.他能听到她的呼吸不均匀。He could hear that her breathing was uneven.牛排烤得不均匀。The steaks were unevenly cooked....

forces的音标：forces的英式发音音标为：['fɔ:sɪz]forces的美式发音音标为：['fɔsɪz]...

airscoop的音标：airscoop的英式发音音标为：[eərs'ku:p]airscoop的美式发音音标为：[eərs'kup]...

[人名] 肯辛顿，[地名] [加拿大、美国、牙买加、英国] 肯辛顿...

他抓住挂在门内侧的大衣.He grabbed his overcoat which hung on the inside of the door.水星是在地球轨道内侧的一颗行星.Mercury and Venus are inferior planets.水星和金星是在地球轨道内侧的两颗行星.Mercury and venus are inferior planets....

He had thick brown hair and shaggy brows.他一头浓密的棕色头发，眉毛乱糟糟的。Tim has longish, shaggy hair.蒂姆留着蓬乱的长发。a shaggy mane of hair一头蓬乱的长发...

n.抖动v.（因不知所措）慌张，犹豫不定( dither的现在分词 )...

vi.发出轻微的爆裂声，发出噼啪声n.噼啪声，爆裂声，（碎瓷上的）裂纹...

n.维护澳洲传统的团体之一员...

When life gets hard and you want to give up, remember that life is full of ups and downs, and without the downs, the ups would mean nothing.当生活很艰难，你想要放弃的时候，请记住，生活充满了起起落落，如果没有低谷，那站在高处也失去了意义。"What do you mean?" I asked, of...

The waiter returned with their order and Graham signed the bill.侍者把他们点的餐端了过来，格雷厄姆签了单。A formal contract is signed which is renewable annually.正式签订了每年可续签的合同。I signed in and crunched across the gravel to my room.我签到后嘎吱嘎吱走过石...