夜间施工应有足够的照明，在深坑和潮湿地点施工应使用（）安全照明。
A. 高压
B. 低压
C. 高亮度
D. 低亮度
查看答案
When an azimuth of the Sun has been taken and the deviation of the standard magnetic compass computed，the watch officer should record the results（）.
A. In the vessel's Official Logbook
B. On the compass deviation card
C. In the compass deviation log
D. On a Napier diagram
断路器出厂验收，罐式断路器可在耐压过程中进行局部放电检测工作。（）倍额定相电压下局放量应满足设备厂家技术要求，但不大于5pC。
A. 1.0
B. 1.1
C. 1.2
D. 1.3
A dirty lube oil strainer can result in（）
A. crankcase
B. low lube oil temperature
C. excessive oil consumption
D. low bearing oil pressure
微信支付 
支付宝支付