[单选] On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
A . one engine ahead and one engine astern，with full rudder B . one engine ahead and one engine astern，with rudders amidships C . both engines ahead，with full rudder D . both engines astern，with full rudder
微机主机箱由哪几种部件组成？
大额支付系统按（）原则办理支付业务。 逐笔实时处理。 逐笔实时处理，全额清算资金。 批量处理。 批量处理，差额清算资金。
绝缘子的巡视检查项目有哪些？
母线在哪些情况下要进行特殊巡视？
（）is not installed on the emergency switchboard. Control panel。 Paralleling panel。 Load panel。 Busbar。
On a twin-screw，twin-rudder vessel，the most effective way to turn in your own water，with no way on，is to put（）.
