The fuel booster pump and steam to fuel heater, together with fuel pipe heater tracer line should be shut off as soon as the （） order is acknowledged. finished with engines。 stop。 stand by。 full ahead。
Snow has obliterated surface features and the sky is covered with uniform，altostratus clouds. There are no shadows and the horizon has disappeared. What is this condition called? （） Ice blink。 Whiteout。 Water sky。 Aurora reflectio。
基肥的作用有哪些？如何正确地施用基肥？
在Windows资源管理器窗口中可以只列出文件名。
During the watch at sea, where situations occur in the machine apace which may affect the speed maneuverability, power supply or other essentials for the safe operation of the ship（）should be informed as soon as possible. the chief engineer。 the master。 the bridge。 the company superintendent。
听课方法指导包括（）
