单选题
1分
To determine the main bearing clearance of a propulsion diesel engine, you should measure the main b...
To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil(砧) outside micrometer and measure the crankshaft journal using a/an _______.
参考答案: D
参考解析: 为了确定推进柴油机的主轴承间隙,可用球砧可调式外径千分尺测量主轴承轴瓦,用外径千分尺测量曲轴轴颈。