加油站使用的储油罐是()罐。
A. 钢制立式
B. 非钢制卧式
C. 非钢制立式
D. 钢制卧式
离心泵的比转数范围在()为低比速泵。
A. O~50
B. 0~80
C. 50~80
D. 80~150
目前开发利用较多的地热类型是()
A. 蒸汽型
B. 热水型
C. 地压型
D. 干热岩型
The object of the both-to-blame collision clause is().
A. to free the carrying ship from liability
B. to free the non-carrying ship from liability
C. to free the ship in the wrong from liability
D. to free the ship not to blame from liability