This is what is considered lightweight construction.

这就是所谓的轻型建筑。

youdao

The gearhead has a compact and lightweight construction.

该减速机具有小巧轻便的建设。

youdao

But lightweight construction techniques, solar cells and battery technologies are constantly advancing.

不过轻量化构造技术，太阳能板和电池技术也在不断进步。

youdao

The technology in the Audi urban concept reflects the full capabilities of the brand, especially when it comes to ultra-lightweight construction.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities

All controls and materials are subject to the dictates of ultra-lightweight construction in order to ensure they convey a completely unique, sensory allure.

ENGADGET: Audi's Urban Concept heads to IAA Frankfurt, tickles our EV sensibilities

Land Rover's global brand director, John Edwards, is hopeful the Evoque's lightweight construction and relatively low fuel consumption and emissions make it well suited to the job.

BBC: Business