Air regulation systems in mining - wing air doors for haulage tracks - double - wing type doors with pressure reduction 采矿的空气调节系统.运输轨道翼形通气门.减压式双翼
Air regulation systems in mining - belt - conveyors - way air locks - dimensions , identifications , requirements and testing 采矿空气调节系统.带式输送机气阀.尺寸标识要求
Air regulating systems in mining ; wing air doors for haulage tracks ; double - wing type doors without pressure reduction 矿山空气调节系统.运输线路用空气风扇门,非减压双叶
Air regulation systems in mining - wing air locks for travelling tracks - double - wing type doors with pressure reduction 矿山空气调节系统.车道用的侧翼式空气门.具有减压平
Air regulating systems in mining ; pneumatic cylinders for airdoors without pressure reduction ; dimensions , requirement , marking 采矿用空气调节系统.非减压风门用压缩气缸.尺寸要
District study for implementing water - cooled air conditioning systems in south east kowloon development late 2000 early 2001 ; and 在二零零零年年底推行水冷式空气调节系统的全港性研究
25nm - retro - fitting of air - conditioning and general improvement works at shek wu hui cooked food centre , sheung shui 补充资料25nm上水石湖墟熟食中心加装空气调节系统和进行一般改善工程
District study for implementing water - cooled air conditioning systems in south east kowloon development ( late 2000early 2001 ) ; and 在二零零零年年底推行水冷式空气调节系统的全港性研究；
Ctb uses environmentally friendly goods or components where possible , such as refrigerants used in chiller plants , etc 城巴会以环保物料或配件为采购的首选，如空气调节系统采用的冷冻剂等。
District study for implementing water - cooled air conditioning systems in existing causeway bay and wan chai district early 2001 在二零零一年年初研究在湾仔和铜锣湾推行水冷式空气调节系统。
