Mechanical Services and Air-conditioning Plumber 是什么职业

Mechanical Services and Air-conditioning Plumber 是什么职业 ventilation and air conditioning帮忙翻译下额,谢谢 英语翻译：energy saving air conditioning and cooling management air- conditioning是什么意思? air-conditioning怎么读? air conditioning是什么意思? air-conditioning意思怎么读 install air-conditioning何意? air-conditioner与air-conditioning的不同 There would be no heat or air-conditioning and no toilets in We have rooms (with a bathroom,TV and air conditioning)对括号里的 we have a standard room with air conditioning and bathtub.(对