洁净钢连铸相关的工艺措施有哪些？
参考答案：
①无氧化保浇注；②中间罐夹杂物分离技术；
Which of the following is NOT one of the conditions that must be met for a trade to be considered an arbitrage()
A. There is no risk.
B. There are no commissions.
C. There is no initial investment and there is a guaranteed profit.
劳动者的下列收入不属于工资范围的是（）
A.年终奖
B.高温津贴
C.价格补贴
D.计划生育补贴
