公路绿化服务；

Road Greening Service;

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顺便提醒一下要着手绿化的家庭：到当地的图书馆去查阅一下，或者到农业服务部门或育种所咨询一下，看那些树种适合您的区域，以及如何养护这些树木。

A hint to the beginning home forester: check with your local library, agricultural service or nursery about best kinds of trees for your area and how to care for them.

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承包商和监督员，园林绿化，场地维护和园艺服务。

Contractors and supervisors, landscaping, grounds maintenance and horticulture services.

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