在西江桂黔边界的河段上,活跃着两支港监小分队,一支是广西天峨港航监督所,一支是贵州省罗甸港航监督站。这两个兄弟省(区)港监部门,携手合作,共同维护“公共界河”的水运安全,促进了两省(区)水上运输的发展,被当地群众称为界河上的 Two river-port monitoring units are active in the reach of the border of Guangxi and Guizhou in the West River, one of which is the supervision agency of Guangxi Tian’An Harbor Authority and the other is the port supervision station of Luodian Harbor in Guizhou Province. The two sister provinces (autonomous regions) harbor supervisory authorities work together to jointly safeguard the water transport safety of the “public border river” and promote the development of water transport in the two provinces (autonomous regions). They are called by the local people as "