The crankshaft is of the semi built type, with the journal () the forged or cast steel crank throws.
The diesel engine is a type of internal combustion engine which ignites the fuel by injecting it into hot, high pressure air in a ().
One distinct advantage of flash type evaporators, as compared to most other evaporators, is that in a flash evaporator ().
On what type of pump would you find an impeller?()
The type of davit on which you must turn a crank in order to swing the lifeboat out over the ship’s side is a().
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A dry-type spark arrestor removes sparks from a diesel engine exhaust by()
An electrician needs to know what type of receptacle is required. What is the most up-to-date resource to identify the plug type for the feature code ordered?()
Type aarrays=[1…8,1…5] of integer,该类型定义了多少个下标元素?()
现有书目表book,包含字段:价格price(float),类别type(char);现在查询各个类别的平均价格、类别名称,以下语句正确的是()。