正确答案: B
磁力探伤
题目:轴瓦表面的裂纹不可以采用( )方法检查。
解析:B
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举一反三的答案和解析:
[单选题]Lubrication for the main reduction gears used with diesel engines is usually supplied by
an independent lube oil system
[单选题]“封堵火势”这一战术的原则是通过∶
以上都对。
[单选题]承磨环是为_______柴油机活塞与气缸磨合设置的
十字头式
[单选题]The objectives of the ISM Code are to ensure ①safety at sea②prevention of human injury or loss of life③avoidance of damage to the marine environment and to property
①②③
[单选题]立式三螺杆泵常将吸入口设于泵体中部是为了( )
停车后泵内存液以防再起动时干转
[单选题]特急性颅内血肿是指受伤后______出现脑受压或脑疝症状。
3小时
[单选题]属于不稳定性骨折的有()
粉碎性