Grasp the general knowledge of maintaining the anti-chemical suit and the working priciple of forcible equiblast and air-compressed equipment.

掌握防化服保养常识，掌握强制送风和空气压缩装置的工作原理及维修常识。

The priciple of hominism is developed in modern planting design, in which the functionism of green environment accupies a deserving position.

现代园林种植设计提出了以人为本的设计原则,把绿色环境的可用性提到了应有的高度。