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【单选题】
下列关于单轨系统说法不正确的是()A.
单一轨道支承或悬挂，又称独轨系统
B.
转弯半径小、爬坡能力强
C.
属于胶轮混凝土轨系统
D.
安全系数不高
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【简答题】稳压电源的稳压电路可分为( )型和( )型两种。
【简答题】Yado Steel Co Ltd (Yado Steel) entered into a loan agreement with Industry Bank to borrow RMB 20 million yuan for its expansion programme. Yado Steel provided its office building as property mortgaged...
【单选题】The imposition of quotas limiting imported steel will not help the big American steel mills. In fact, the quotas will help 'mini-mills' flourish in the United States. Those small domestic mills will t...
A.
Quality rather than price is a major factor in determining the type of steel to be used for a particular application.
B.
Foreign steel mills have long produced grades of steel comparable in quality to the steel produced by the big American mills.
C.
American quotas on imported goods have often induced other countries to impose similar quotas on American goods.
D.
Domestic 'mini-mills' consistently produce better grades of steel than do the big American mills.
E.
Domestic 'mini-mills' produce low-volume, specialized types of steels that are not produced by the big American steel mills.
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