摘要: 轴瓦表面的裂纹不可以采用( )方法检查。[阅读全文:]
摘要: 当柴油机气缸套( )超过标准,可选用先镗缸消除其内圆表面的几何形状误差后,再依具体情况镀铬或[阅读全文:]
摘要: The condensers located in various stages of a flash evaporator are cooled by( ).[阅读全文:]
摘要: An indication of an overloaded main propulsion diesel engine is( ).[阅读全文:]
摘要: The water in an auxiliary boiler should be tested for chloride content to determine[阅读全文:]
摘要: Any increase in the exhaust back pressure of a four－stroke／cycle diesel enginewill( ).[阅读全文:]
摘要: High firing pressures and low exhaust temperature in a diesel engine may resultfrom( )[阅读全文:]
摘要: 四冲程柴油机连杆螺栓伸长量超过原设计长度的( )时应报废换新。[阅读全文:]
摘要: Which of the conditions listed will cause a refrigeration compressor to run constantly[阅读全文:]
摘要: Which of the following materials is a good insulator?( )[阅读全文:]