降低油品蒸发损耗的措施有哪些?
参考答案:
1.降低罐温度变化2.提高油罐承受压能力3.消除油面上的气体空高,4,收集呼出的油品蒸汽不让或少让气体呼出罐外
许可证一经______,即获法律效力。
A.公证机关公证
B.行政机关批准
C.申请人申请
D.行政机关颁发
It took me a whole night to _____ the money that I needed to complete the project. [ ]
A. pick out
B. leave out
C. figure out
D. take out