marker buoy meaning in Chinese

标识浮标
标志浮标
定位浮标；标位浮标
航向浮标
临时信号浮标
指示浮标

Provision of services to overhaul marker buoys
承投标志浮泡检修服务
Call - back marker buoy
重返声控定位浮标
Avoid sailing over shallow coral area inside marine parks and areas demarcated with coral marker buoys , and go slowly and exercise special care when approaching coral areas in deeper water
避免驶至海岸公园范围以内和设有珊瑚标志浮标的浅水珊瑚区内，如驶进较深水珊瑚区时，应以低速航行及格外小心。