仪器用润滑剂

instrument lubricant的用法和样例：

例句

If the spacing between mating flanges is tight, the valve sealing surface should be coated with a lubricant to prevent distortion during installation.如果配置的法兰之间的间隙过紧，则阀门密封面应该用润滑剂涂敷以防止在安装过程中产生扭曲变形。

MUSICAL INSTRUMENTS

DIALOG 38 (Sound of piano playing) laurance--Listen!Somebody's playing the piano. soony--Yeah,it sounds nice,doesn't it?I wish I could play a musical instrument. laurance--Don't you play the violin? s

发表于:2018-12-26 / 阅读(65) / 评论(0)

英语经典听力对话

纯正英语一分钟-musical instrument

I really wish I could play a musical instrument. I cant. I had a few music lessons when I was a kid, but I didnt keep them up. I really regret that now. I get quite jealous of people who can play a musical instrument. Its a wonderful ability. I hope

发表于:2019-01-09 / 阅读(73) / 评论(0)

纯正英语一分钟

EXPLORATIONS - The Guitar: an Instrument for Any Kind of Mus

EXPLORATIONS - The Guitar: an Instrument for Any Kind of Music By Paul Thompson Broadcast: Wednesday, May 25, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Phoebe Zimmermann with Explora

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Explorations

VOA慢速英语2013 An Unusual Instrument for Sale at the Smithsonian Craft Show

An Unusual Instrument for Sale at the Smithsonian Craft Show Welcome to AMERICAN MOSAIC from VOA Learning English. Im June Simms. Today we play songs from a long-awaited album from the band Phoenix. We also tell about a way to unload unwanted clothin

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2013年VOA慢速英语(五)月

VOA标准英语2011--Ancient Instrument's Twang Draws Global

Ancient Instrument's Twang Draws Global Fans The Jews harp, a plucked-mouth instrument found all over the world, has absolutely nothing to do with Jews. But it does have a distinctive sound and a lot of fans. Many of them have gathered at the North A

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VOA标准英语2011年(八月)

英语博客：Oil change at Oil Can Henry's.

I got a phone call from my husband the other day, Hey babe, can you take the car to get the oil changed please? It's overdue. As he works forty-five minutes from town, he rarely has time to run those errands back in Wenatchee, so he gets his secretar

发表于:2019-02-17 / 阅读(60) / 评论(0)

英语博客 A cup of English

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学英语单词

acidocytosis

ansu

anti-infective agents

aplasia of epiphysis

arbitrary shape

ball faced hexagonal nut