A.in duplicate
B.in double
C.at twice
D.for two
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A.to reduce
B.to increase
C.and reduce
D.and increase
A.shim
B.gasket
C.washer
D.packing
A.lead
B.forged steel
C.alloy steel
D.aluminum alloy
A.cast iron
B.forged steel
C.stainless steel
D.aluminum alloy
A.lifted
B.reassembled
C.dismounted
D.disassembled
最新試題
If the water level dropped rapidly in the expansion tank of a closed diesel engine cooling water system, you should suspect a （）.
Routine monitoring of a diesel engine should include （）.
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When fuel oil has seriously contaminated a diesel engine lubricating oil, you should （）.
Maximum horsepower of a diesel engine is attained （）.
Lube oil filters remove contaminants more efficiently if the oil being filtered is （）.
White smoke exhausting from an operating diesel engine may indicate （）.
A diesel engine is operating with excessively high exhaust temperatures at all cylindersTo correct this condition, you should FIRST （）.
To determine if the lube oil filter elements need changing, （）.
If a diesel engine is difficult to start and operates with the engine temperatures lower than normal, you should suspect that the （）.