The most common forms of main drive used on deck auxiliaries are ().
A. steam plants, electric motors and compressed air
B. diesel engine, hydraulic machinery and compressed air
C. steam plants, electric motors and hydraulic machinery
D. diesel engines, steam plants and hydraulic machinery
在OTC关联销售过程中,香菊胶囊可以关联的药物有()
A. 鼻喷激素(伯克纳,辅舒良,雷诺考特,内舒拿)
B. 抗组胺药(氯雷他定、息斯敏)
C. 六味地黄丸
D. 感冒药(感康等)
三相功率因数表是用来测量三相三线制电路中对称负载的()。
A. 相位角或功率因数
B. 频率和功率因数
C. 功率
D. 频率
买卖合同规定,购买设备经调试正常运行、各项试验满足相关规范要求,买卖双方签署()即视为技术性能验收合格。