船中失火的警报信号是汽笛或警铃短声连放一分钟后继一长声。
因制造或修理场地迁移、检验条件或技术工艺发生变化、兼并或重组等原因造成制造、修理条件改变的,应当重新办理制造、修理计量器具许可。()
船艏失火的警报信号是汽笛或警铃短声连放一分钟后继五长声。
If the situation arose where it became necessary to tow a disabled vessel,which statement is TRUE concerning the towing line?(). ["The towing line between the two vessels should be clear of the water","The towing line should be taut at all times between the vessels","There should be a catenary so the line dips into the water","None of the above"]
船艏失火的警报信号是汽笛或警铃短声连放一分钟后继四长声。
输气站运行值班人员汇报操作结束时,应报“操作结束时间”。“()”是现场操作执行完毕的依据,值班调度员只有在收到上报的“操作结束时间”后,该项操作才算执行完毕。