MFS II was assembled for the Biennale by four builders in just 10 days – using one tonne of metal and 13.5 tonnes of wood for the structural framework, and 256 plastic barrels as a floatation device.

威尼斯双年展的MFS II在短短10天内由四名工人组装起来——结构框架使用了1吨金属和13.5吨的木材，256个塑料桶作为漂浮装置。

youdao

For the granule oil-bearing wastewater that is difficult to separate, a new device of air dissolution releasing column is developed based on the air dissolution floatation and column floatation.

针对含油废水中难分离的细粒级油分，结合溶气气浮技术和柱浮选技术的优点，提出利用溶气析出式浮选柱处理含油废水。

youdao