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【单选题】
键的剖面尺寸通常是根据按 标准选择。A.
传递扭矩的大小
B.
传递功率的大小
C.
轮毂的长度
D.
轴的直径
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【简答题】If you’re looking for ways to improve your products or services, customers can be one of your most valuable sources of information and market research. So why not take it a step further and visit some...
【简答题】陈述获得溶解热的方法和原理。 (可上传手写答案照片)
【简答题】If you’re looking for ways to improve your products or services, customers can be one of your most valuable sources of information and market research. So why not take it a step further and visit some...
【单选题】We ordered 20 boxes of your products, but we have only got 19.
A.
You do not have to.
B.
It does not matter.
C.
We will send another tomorrow.
D.
Nothing serious.
【单选题】How do you receive your products from Amazon?
A.
Take them by yourself.
B.
By mail.
C.
Download them from iTunes.
D.
Using a reference number.
【简答题】A．The man is not going to have a second baby. B．The man might stay at home more and more. C．The baby girl takes after the man in the appearance. D．The man's colleagues have bought something as gifts.
【简答题】A．The man is not going to have a second baby. B．The man might stay at home more and more. C．The baby girl takes after the man in the appearance. D．The man's colleagues have bought something as gifts.
【单选题】Read and choose the best answer.If you're looking for ways to improve your products or services, customers can be one of your most valuable sources of information and market research. So why not take ...
A.
expanding your business
B.
reducing your production cost
C.
selling your products or services
D.
improving your products or services
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