The accident resulted ______ the motorman’s carelessness.
Forcing the exhaust gases form. the cylinder of an operating diesel engine with the aid of a blower is known as _________.
Throttling in the _____ line of a centrifugal pump involves the risk of the pump cavitation.
The accident resulted ______ the motorman’s carelessness.
The function of lubricating oil is to _____.
In a diesel engine, works as working medium and changes the heat energy to mechanical energy, changes the reciprocating movement to rotary moment.
The oil in a cargo winch gear box should be sampled periodically to _____.
The lowest temperature at which fuel combustion becomes self-sustaining in the presence of a source of ignition, is defined as the .
Precision engine bearing inserts are manufactured with a small portion of the bearing ends extending beyond the bearing housing or capsThe installation process of these bearings requires sufficient ______.
An axial piston pump differs from a radial piston pump as the pistons of an axial piston pump are positioned _____.
Modern centrifuge designs enable continuous over a considerable period of timeThis is achieved by which is timed to discharge the sludge at regular intervals.
2017年初级统计师模拟考试《统计学
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