六抓见成效水上保畅通任俊培（苏州市港航监督处，江苏２１５００７）苏州市是水运发达地区，７０％以上的货物运输是靠水路完成的，境内航道长２８Ｏ０多公里，其中１９条干线长５８Ｏ公里，但航道等级较低。这种航道差、船舶多的状况，给我们的通航管理带来很大的难度。... Liusunbao, Ren Junpei (Suzhou Port and Shipping Supervision Office, Jiangsu 215007) Suzhou is a well-developed water area. More than 70% of the goods are transported by waterways. The domestic navigation channel is over 280 kilometers long, of which 19 trunk lines 58O kilometers, but lower waterway. This bad waterway, the status of many ships, to our navigational management has brought great difficulty. ...