按照《驾驶、轮机联系制度》要求,航行中每班下班前值班驾驶员通常应将本班()通告值班轮机员。
A.航向
B.天气、海况、航速
C.距目的港距离
D.A、B、C都是
参考答案:B
The young man ________ is a friend of mine.
A.who I had a talk
B.whom I had a talk with
C.which I had a talk with
D.whom I had a talk
煤与瓦斯突出危险煤层中掘进巷道重点应检查哪些内容?