在有雷雨天气时不要停留在风电机内或靠近风电机。风电机遭雷击后()不得接近风电机。
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隧道内电缆固定支架不得侵入建筑限界内,低压电缆固定支架下端距钢轨面不应小于()。
A. 3m
B. 3,5m
C. 4m
D. 4.5m
肝细胞癌发病与____________和__________密切相关。病理学上分为________、_________和_________三型。
Why is it important for fuel oil tanks not to be topped off at the inner bottom level when loading on a cold day?()
A. Increased viscosity of the product needs higher loading pressure, which increases the chances of a spill
B. Air pockets may cause the fuel to bubble out of the ullage hole
C. The temperature rise of the fuel will cause an overflow
D. Fueling valve may become stuck closed and cause the fuel oil to spill before the valve can be opened
民风民德实质是一种人心向背的社会力量,内在蕴含着对现存社会或政府某方面的肯定或否定的倾向。所以,它是一个社会维系人心,保持国脉的长远因素,是实现社会和谐文明的“外在基因”。
A. 正确
B. 错误