控制表面纵裂纹的工艺措施有()。 ["水口对中","结晶器液面波动<3mm","合适的浸入式水口插入深度","热顶结晶器"]
他行转入资金,开立定期存款账户时,应通过哪个内部账户过渡?
LTE定时同步包括:() ["无线链路监测(Radio link monitoring),","小区间同步(Inter-cellsynchronisation),","发射定时调整(Transmission timing adjustment),","以上都不对"]
直升机驾驶舱中的功率杆和桨距杆各有什么功用?
单位迁移时,其定期存款如何处理?
什么是油罐的检查?