Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。To reduce heat losses the pipes are covered by thermal insulators.为了减少热散失,管子外包保温层.Crystals may be insulators, semiconducto...
Crystals may be insulators, semiconductors, or conductors.晶体可以是绝缘体, 半导体, 或导体.Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。Polluted insulators may flashover at any time...
The passengers were shepherded across the tarmac to the airliner.旅客们被引导走过跑道去上飞机.He shepherded us on an excursion.他带我们去远足.She was shepherded by her guards up the rear ramp of the aircraft.她在警卫的护送下上了飞机尾部的舷梯。...
上了弯道以后，路越来越陡。The slope increases as you go up the curve.火车在弯道行驶时放慢了速度.The train slowed its speed as it went around the curve.火车沿弯道转弯.The train turned in a curve....
Vast tracts of the country are wild and undeveloped.乡间大片大片的荒地尚未开发。Don't expose undeveloped film to light.不要把未冲洗的胶卷暴露在光照下.This is a block of undeveloped land.这是块未开发的土地....
I'd like an intro to that girl you were talking to!我想请你把我介绍给刚才你和她说话的那姑娘!Intro duced are the main functions and basic configuration of 840 C system.介绍了840C系统的主要功能及基本配置.The processing features and cutting methods of s...
It is difficult to get them all together under one roof.把他们都聚集到一起是困难的.Four generations live under one roof.四世同堂.The firms intend to open either together under one roof or alongside each other in shopping malls.这些公司想一起开在同...
The timing of the gun was precisely synchronized with the turning of the plane’s propeller.风门的调速与飞机螺旋桨的转动精确同步。A fairing fitted over the hub of the propeller in some aircraft.螺桨毂盖,机头整流罩某些飞机上装于螺旋桨叶毂上的整流罩....the propeller s...