正确答案: C
松开全部
题目:对使用液压撑杆螺栓的正置式主轴承,因其一端顶在轴承盖上,另一端顶在机架上,所以在上紧贯穿螺栓之前,必须先()的撑杆螺栓。
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学习资料的答案和解析:
[单选题]Sulzer6RTA84型船用柴油机气缸套最大内径增量为3.6mm,则最大缸径为()。
843.6mm
[单选题]With VIT unit the timing of fuel injection of an engine can be regulated automatically according to the ().
engine load
[单选题]The most important factor in engine performance is the actual power output at the end of the crankshaft available for doing workThis is known as ().
brake horsepower