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【简答题】
要使三相异步电动机反转,就必须改变通入电动机定子绕组的电源 ,即只要把接入电动机三相电源进线中的任意 对调即可。
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【简答题】VDI基本架构的层次?
【单选题】The bill of lading is prima facie evidence ______ the quantity of goods alleged to have been shipped has been shipped in fact．
A.
that
B.
which
C.
where
D.
while
【单选题】This crap does not do well in soils ( ) the one for which it has been specially developed.
A.
outside
B.
other than
C.
beyond
D.
rather than
【单选题】Why did the managers of Goldlink choose to work with Prima?
A.
They wanted to work with a local firm.
B.
They liked working with small organisations.
C.
They were attracted by the company's approach.
【单选题】The prima facie rule that the law of the flag governs contracts of carriage by sea ______ the paramount rule of the intention of the parties，which may be express，or implied from the circumstances of t...
A.
subject to
B.
subjects to
C.
subjects
D.
is subject to
【单选题】Tommy was one _____.
A.
of the happy childs of his class
B.
of the happiest child in the class
C.
child who was the happiest of all the class
D.
of the happiest children in the class
【单选题】As freight is prima facie payable on delivery of the goods， the burden of making out a case for advance freight is on ________．
A.
the shipper
B.
consignee
C.
the shipowner
D.
consigner
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