用摇表开始测量时,手摇速度应该慢些,以防止被测设备有()现象时损坏摇表。
A、电压
B、断路
C、短路
D、开路
参考答案:C
In relation to the law of contract, distinguish between and explain the effect of:
(b) express and implied terms, paying particular regard to the circumstances under which terms may be implied in contracts. (7 marks)
保压密闭取心工具有一套包括对岩心进行清洗、冷冻、()等功能在内的专用地面设备。
A.加热
B.分析、化验
C.切割、分析、化验
D.防腐蚀