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【单选题】
一台笼型感应电动机,原来转子是铜条的,后因损坏改为铸铝的。如输出同样转矩,电动机起动电流 、起动转矩 ,最大转矩 ,临界转差率 。( )A.
减小、增大、不变、增大
B.
减小、不变、减小、不变
C.
增大、增大、增大、增大
D.
增大、减小、不变、减小
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【简答题】什么叫标准节流装置？试述差压式流量计测量流量的原理；并说明哪些因素对差压式流量计的流量测量有影响？
【单选题】根据《2010 年通则》的解释，下列属于FOB 和FCA 的区别的是（ ）
A.
适合的运输方式不同
B.
办理出口手续的责任方不同
C.
办理进口手续的责任方不同
D.
负责订立运输合同的责任方不同
【单选题】The cost of goods manufactured:
A.
Is always the same as cost of goods sold
B.
Is always the same as total manufacturing cost
C.
Is recorded as a debit to the finished goods inventory account
D.
Is recorded as a debit to the work-in-process inventory account
【单选题】The cost of goods available for sale is allocated to the cost of goods sold and the
A.
beginning inventory
B.
ending inventory
C.
cost of goods purchased
D.
gross profit
【单选题】If the cost of goods sold is greater than the cost of goods manufactured, then:
A.
The finished goods inventory account has decreased during the period
B.
The work-in-process inventory account has decreased during the period
C.
The finished goods inventory account has increased during the period
D.
Total manufacturing costs must be greater than the cost of goods manufactured
【简答题】试述压差式流量计测量流量的原理。
【简答题】试述差压式流量计测量流量的原理。并说明哪些因素对差压式流量计的流量测量有影响?
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