正确答案: A

6

题目：At least （） cylinders in four-stroke engine will be configured to ensure that the engine can be started with the crankshaft at whatever position.

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学习资料的答案和解析：

[单选题]If the engine does start on air, but combustion does not immediately begin, the cause may not be （）.

turning gear being still o

[单选题]The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives （）.

the compressor