Outside Micrometer使用前须作归零校正.
Outside Micrometer使用前须作归零校正.
相关考题:
单选题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 ()AtelescopingBring ‘snap’ gaugeCinside vernier caliperDoutside micrometer
判断题应变片电测法用于结构物表面应变测量时的主要优点是无须每次使用前平衡、归零,能够重复使用。A对B错