The U.S. bacterial limit is no more than 500 colony-forming units of bacteria per milliliter of water.

美国的细菌数量上限是每毫升水不超过500个菌落形成单位。

youdao

With the use of frozen water units, modular units and natural cooling system for HIMOD flagship series will have the obvious effect for the energy saving.

HIMOD系列旗舰型的冷冻水机组HIMOD系列旗舰型模块化机组与自然冷却系统配合使用，会有显著的节能效果。

youdao

Daiichi's No. 1 reactor — the oldest of six boiling-water units at the site, according to the nuclear association — began commercial operation in March 1971.

Daiichi的一号反应堆——根据核子协会，6个沸水反应堆中最老的反应堆——自1971年3月开始商业运行。

youdao

And the trust also works with rangers in other wildlife parks, supplying trapping cages, solar-lighting systems, water-filtration units and other equipment.

FORBES: Hemendra Kothari's Quest To Save India's Tigers

They outfit their three technicians' vehicles with five-gallon water jugs and check that the air-conditioning units are always functioning properly.

WSJ: Login/Register to set your edition

Pseudomonas bacteria like those which killed four babies have been traced to water taps in neo-natal units.

BBC: Health statement