The method has the characteristics of noise-free construction, no damage to the ground, simple construction process, high efficiency, good extending performance and the like.

本发明具有施工无噪音、不会对地面产生破坏、施工工序简单、效率高、延伸性能好等特点。

youdao

Television footage showed rescuers trying to free people buried underneath fallen debris, while others scrabbled through wires, construction rods and boulders.

电视镜头显示，救援人员试图救出被埋在废墟下的人，而其他人则在电线、建筑杆和巨石中摸索。

youdao

youdao

With its PVC-free construction and fully recyclable box, this keyboard is designed to help minimize its environmental footprint.

ENGADGET: Logitech's Wireless Solar Keyboard K750 for Mac brings Appletastic keys, pastel hues

And, with its environmentally friendly PVC-free construction, fully recyclable box and onboard solar cells for charging, this keyboard is designed to minimize its environmental footprint.

ENGADGET: Logitech outs Apple-friendly Wireless Solar Keyboard K760, we go hands-on

Technically, new construction is free from these constraints.

ECONOMIST: Housing in New York City