1. The floatage state and Load rule of the buoy is analyzed. The causes are found of the buoy submersing in seawater, the alarm light signal ghosting and the buoy cable breaking off.
分析了浮标在风、流、浪作用下的漂浮状态和受力规律，查明了浮标使用过程中存在被海水淹没、信号灯发出的灯光信号难于被发现、浮标缆断缆等问题的成因。
2. Pull up on the rod to empty the sample into an appropriate container. Or hold the valve slightly open while submersing the COLIWASA into the liquid to collect the sample from the surface down to the desired level.
拉起支撑棒把样品倒入一个合适的容器保存，或使阀门微微张开，同时吧取样器淹没到要取样的液体中收集从表面到预定的水平高度的样本。