求翻译：排水坡向均由建筑边缘向绿地主园道及宅间绿地主园道方向设3%-5%的小斜坡，以便于雨水集中排向主园道边的雨水暗沟。是什么意思？

Drainage slope to the edge by building green park and green space between the Main Road and Park Road house set the direction of 3% -5% of the small slope so that concentrated on the water discharge side of Park Road to the main underground drain rainwater.

Drainage slope by the Architectural edge to the per capita green space to the main Park Road and residential home park road direction green space located 3% - 5% of the small slope, in order to facilitate the rainwater focused on mine to the main park road side of the stormwater drainage culverts.

The weathering to by constructs the edge the green landlord parkway direction supposes 3%-5% small pitch to between the green landlord parkway and the dwelling, is advantageous for the rain water centralism row to the host parkway nearby rain water blind ditch.

Drainage slope to the edge by building to green the main Park Road and green space between the main Park Road-3% in the direction of small slopes, so that rain set to discharge stormwater outfall near the main Park Road.

The weathering to by constructs the edge the green landlord parkway direction supposes 3%-5% small pitch to between the green landlord parkway and the dwelling, is advantageous for the rain water centralism row to the host parkway nearby rain water blind ditch.