The programmer forms the heart of the process chromatograph.程序控制器是色谱仪的关键部件.The basic principle of vacuum braze and its application in manufacturing gas chromatograph are described.介绍了真空钎焊技术的基本原理及其在气相色谱仪气路部件加工中的应用.The tec...
He had unmistakably been waving his flag to attract the referee's attention.他显然一直在挥舞旗子吸引主裁判的注意。Airlines should stand or fall on their ability to attract passengers.航空公司的成败应该取决于它们吸引乘客的能力。The salt marshes and mud flat...
Most children who stammer grow out of it.大多数口吃的儿童长大以后就好了。Many children stammer but grow out of it.很多小孩口吃，但长大就改过来了。A speech-therapist cured his stammer.一位言语矫治师治愈了他的口吃。Five per cent of children stammer at some point.5%的儿童在...
人们发现橙子、柠檬和酸橙能治疗坏血病。Oranges, lemons and limes were found to cure scurvy.缺乏维生素C最终能道致坏血病.Vitamin C deficiency can ultimately lead to scurvy.缺乏维生素能引起疾病(如坏血病 、 佝偻病).Vitamin deficiency can cause ill nesses, eg scurvy, rickets....
Ordered mesoporous carbons possess good conductivity, strong framework and high surface areas , showing great adsorptioncatalysis.介孔碳材料具有良好的导电性 、 很强的骨架刚性以及大的比表面积.He inserted the paper and two carbons.他放入了那张纸和两张复写纸。The va...