求翻译：随主机定期检查制度，比如齿轮箱定期换油时，或主机定期巡检时，请目视检查本装置各接头处及密封结合面是否有渗水现象。如有渗水现象，有可能接头螺纹(或相应安装螺钉)发生松动或密封圈失效，须进行必要的复紧或更换。是什么意思？

With hosts regular inspection system, such as when the gearbox oil change on a regular basis, or host when regular inspection, please visually inspect the joints and sealing surface of this device is water leakage. If there are leakages, possible connection (or the corresponding mounting screws) loose or seal failure occurs, shall make the necessary complex of tight or replaced.