单项选择题
A.dial indicator B.outside caliper C.bridge gauge D.tram rod
To determine the main bearing clearance of a propulsion...
单项选择题To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）
A.telescoping B.ring ‘snap’ gauge C.inside vernier caliper D.outside micrometer
The ignition quality of a diesel fuel is indicated by t...
单项选择题The ignition quality of a diesel fuel is indicated by the （）
A.cetane number B.volatility point C.viscosity index D.octane number
The ignition quality of a diesel fuel oil is indicated ...
单项选择题The ignition quality of a diesel fuel oil is indicated by the （）
A.specific gravity B.cetane number C.viscosity D.calorific valve
