求翻译：本轮七大工程总投资初步估算达5.5亿元，工程实施后，可有效控制污染物入湖，使筼筜湖周边排洪沟在晴天时沟内无污水，避免污水、淤泥积聚在排洪沟里产生臭气。届时，松柏湖、筼筜湖的水质可以有效改善，接近或达到西海域的水质指标。是什么意思？

The total investment in the current round of seven preliminary estimate of 5.5 billion, after the implementation of the project, can effectively control the pollutants into the lake, the Lake Yuandang trench around the drainage channel on a sunny day when no water, so that sewage, sludge accumulate

7 This round preliminary estimates the total investment of the project amounted to $550 million, after implementation of the project can be an effective control pollutants into the lake, standing by the Yuandang Lake around drains in the trench when the bolt from sewage, no sewage, and to avoid the

The epicycle seven big project total investment preliminary estimate amounts to 550,000,000 Yuan, after the project implementation, but the active control pollutant enters the lake, causes 筼 筜 lake peripheral platoon Honggou when the cloudless day in the ditch does not have the sewage, avoids the se

The current round of seven preliminary estimation of the total investment amounted to $ 550 million, after the implementation of the project, which can effectively control pollutant into the Lake, yundanghu no sewage trench when surrounding drainage ditch on sunny days, avoid dirty water and silt ac

The current round of seven preliminary estimation of the total investment amounted to $ 550 million, after the implementation of the project, which can effectively control pollutant into the Lake, yundanghu no sewage trench when surrounding drainage ditch on sunny days, avoid dirty water and silt ac