All the green ground near the roadside, kerb and hard pavement should be 5cm lower than the roadside, kerb and hard pavement, and the ground water should be led to the drainage pipe well in the garden during ground treatment.
The ground of all green spaces near the roadside, kerb and hard pavement shall be 5cm lower than the roadside, kerb and hard pavement, and the surface water shall be led to the drainage pipe well in the park during ground treatment.
All green ground near roadside, curb and hard pavement should be 5cm lower than roadside, curb and hard pavement, and the ground water should be led to the drainage well in the park during ground treatment.