单词：drill pipe body
单词：drill pipe body 相关文章
block and tackle 滑轮组 boring 钻孔 circulate 注入，环流 coring bit 取芯钻头 cutting bit 钻头 cylinder 圆柱体 derrick 井架 drill pipe 钻杆 every so often 时常 geologist 地质学家 gusher 喷油井 mineral 矿物的 rotate 使
新概念英语第四册单词MP3
敲三下 Knock Three Times KNOCK THREE TIMES TONY ORLANDO DAWN Hey girl what ya doin' down there Dancin' alone every night while I live right above you I can hear your music playin' I can feel your body swayin' One floor below me you don't even know
99首适合练习听力的英文歌
Knock Three Times Hey, girl, what you doing down thee? Dancing alone every night while I live right above you? I can hear your music playing; I can feel your body swaying. One floor below me, you don*
英文歌曲第四辑
This is Scientific Americans 60-second science, Im Sophie Bushwick. Got a minute? To vocalize, animals create sound waves in the pipeline vocal checks. Shorter pipes produce higher frequency sounds, so smallest animals like the cuddly koala should ha
Scientific American(九)月
A blonde was driving back from the mall when there was a terrible hail storm. Huge hail stones the size of golf balls pelted her car leaving it full of dents(凹, 凹痕). She drove to the body shop (车身修理厂)and asked what she should do. The
趣味英语