Green coverage in the city still needs to be expanded and green land maintenance needs to be strengthened.

全市绿化总体水平有待进一步提高，林木绿地养护管理也亟待加强。

youdao

Direct drive fans are available for many applications, and can reduce maintenance needs.

直接驱动风机得到了广泛应用并可减少维修需要。

youdao

The mud program gives details on mud type, composition, density, rheology, filtration and other property requirements and general and specific maintenance needs.

泥浆设计详细给出了泥浆类型、组份、密度、流变性、滤失及其它性能要求，以及泥浆一般的和具体的维护要求。

youdao

"We know that most Housing Executive staff, overseeing those businesses contracted to respond to maintenance needs, are diligent and hard working, " she said.

BBC: PAC report says Housing Executive is 'out of control'

And what kind of maintenance steps needs to be done down there?

WHITEHOUSE: Daily Press Briefing

The apparatus which recycles human waste and turns "yesterday's coffee into into tomorrow's coffee needs frequent maintenance and would likely not survive years of continuous duty on Mars", he says.

BBC: Applicants wanted for a one-way ticket to Mars