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【单选题】
钢板放在规铁上,并压上压铁,要注意板料的弯曲线与____、压铁的棱边相重合。A.
规铁
B.
垫铁
C.
角铁
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反馈参考答案：
举一反三
【判断题】1) Lots of job loss is just one thing resulting from automation.2) Widespread unemployment is one consequence of automation.The second sentence is formal.
A.
正确
B.
错误
【单选题】国标（GB/T17450-1998、GB/T4457.4-1984）规定了粗实线在图上的应用表示为（）。
A.
尺寸线、剖面线
B.
轴线、轮廓线
C.
可见轮廓线
D.
不可见轮廓线
【简答题】Passage1 What do you need to do in order to understand the lecture? Now there are four things that I'm going to talk about. The first thing is that you need to be aware of all of the ( 1) ________ tha...
【简答题】GB/T 4457.4 — 2002 《机械制图 图样画法 图线》规定了( )种线型。
【简答题】1. The
second thing I’d say relates to the airline that you choose or the cost
of flights, and I think it’s important to ________ cost, concerns
________ the need for comfort for the business trave...
【简答题】木材的三切面指的是什么?
【简答题】All the following words and expressions are related to the feelings about home. Read them closely and then use them to complete the passage that follows. Make change if necessary. addressing salutat...
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