Briefly presents the working principle and the characteristics of ice storage system and VRV air conditioning system. According to the feature of the project and the requirement of the owner, recommends two air conditioning schemes for the building, proffers the main equipment configuration and structure of two schemes. Compares two schemes in initial investment, operating cost, occupied space, service life and maintenance management.

簡要介紹了冰蓄冷系統(tǒng)及 VRV 空調(diào)系統(tǒng)的工作原理及特點超碰Cao草棚gao进入，根據(jù)工程特點和業(yè)主要求被操出白浆视频，推薦了兩種空調(diào)方案人妻系列无码转区久久五月天，給出了其主要設(shè)備及系統(tǒng)組成一级毛片对白有叫床声的，并對兩方案的初投資欧美在线精品视频第九页、運行費一级性精品视频、占用面積、使用壽命亚洲一级高清在线大黄毛片、維護管理等進行了比較欧美性交大全。

To reduce purchase cost, the PLA had shortchanged on training and maintenance support elements.

降低采購成本，解放軍已貧乏訓(xùn)練和維修保障分隊能免费观看的AV网站。

Tubular belt conveyor is a kind of new material conveying system and have many characteristics such as good seal environmental protection, the conveying line curving to arrange along the space, big transport obliquity, a long stand-alone distance at sophisticating geography term and have many advantages, for instance, low construction cost, convenient installation and maintenance convenience, dependable usage etc.

管狀帶式輸送機是一種新型物料輸送系統(tǒng)欧美丰满性生活熟妇，具有密封環(huán)保性好、輸送線可沿空間曲線靈活布置一级一级一级一级片、輸送傾角大欧美大黑屌视频、復(fù)雜地形條件下單機運輸距離長等特點，同時還具有建設(shè)成本低玖玖色免费、安裝維護方便看一下黄片毛片A片、使用可靠等優(yōu)點。

Ballastless track features little maintenance,high reliability,long service life,low cost compared to its service life, low structure height, large transverse track resistance, ballast splashing—proof,and flexible superelevation and gradient.

由于無碴軌道具有維修量小2020国内精品久久久久精品99，穩(wěn)定性好免费视频插到爽，使用壽命長，全壽命周期費用低欧美一级囗交视频视频，結(jié)構(gòu)高度低欧美三级片黄片，橫向軌道阻力大，可避免飛碴欧洲高清无码永久视频，超高久久.精品免费、坡度設(shè)置靈活等優(yōu)點，在德國高速鐵路建設(shè)中受到重視农村一级特黄大片AAA，得到了廣泛應(yīng)用怡红院成永久免费人视频app，并形成了Rheda、Zt~BLIN欧美论理、BERLIN国产原创在线导航视频在线观看、B6GL等系列產(chǎn)品免看黄。

Ballastless track features little maintenance,high reliability,long service life,low cost compared to its service life, low structure height, large transverse track resistance, ballast splashing—proof,and flexible superelevation and gradient.

德國， 無碴軌道黄色一级视频欧美日韩操逼视频，鐵路三级片无码国产在线，技術(shù)，建議摘要：由于無碴軌道具有維修量小欧美老妇淫乱视频，穩(wěn)定性好日韩精品视频一区中文字幕，使用壽命長，全壽命周期費用低99在线视频播放乱爱妇乱子伦精品视频，結(jié)構(gòu)高度低色视频精品视频在线观看，橫向軌道阻力大，可避免飛碴你懂的免费视频，超高人人在线视频黄色观看、坡度設(shè)置靈活等優(yōu)點，在德國高速鐵路建設(shè)中受到重視久久99日，得到了廣泛應(yīng)用人人亲人人操人人摸，并形成了Rheda、Zt~BLIN久久久九九有精品国产、BERLIN欧美性愛視頻播放、B6GL等系列產(chǎn)品。

Ballastless track features little maintenance,high reliability,long service life,low cost compared to its service life, low structure height, large transverse track resistance, ballast splashing—proof,and flexible superelevation and gradient.

德國官网免费A片， 無碴軌道中中文字幕第一页，鐵路，技術(shù)91精品国产福利下线，建議德國播放一级毛片免费，無碴軌道，鐵路玖玖在线视频网，技術(shù)九九线精品视频在线观看视频，建議摘要：由于無碴軌道具有維修量小，穩(wěn)定性好18岁以下禁止进入观看黄色网站，使用壽命長18岁污视频在线观看，全壽命周期費用低，結(jié)構(gòu)高度低五月天色开心，橫向軌道阻力大1024手机在线黄色电影免费，可避免飛碴，超高国内精品在线观看色导航、坡度設(shè)置靈活等優(yōu)點精品自拍小视频在线观看，在德國高速鐵路建設(shè)中受到重視，得到了廣泛應(yīng)用99福利超碰，并形成了Rheda欧美一级欧美三级欧、Zt~BLIN欧美一级高潮喷水大片、BERLIN、B6GL等系列產(chǎn)品久久天堂网av。

Technical Analysis of Ballastless Track of DB and ProposalsXin Xuezhong Abstract Ballastless track features little maintenance,high reliability,long service life,low cost compared to its service life, low structure height, large transverse track resistance, ballast splashing—proof,and flexible superelevation and gradient.

文章摘要：摘要：由于無碴軌道具有維修量小，穩(wěn)定性好日韩中文视频，使用壽命長一级a片黄片夫妻免费看，全壽命周期費用低，結(jié)構(gòu)高度低亚洲偷自拍国综合第一页手机，橫向軌道阻力大jizz.www，可避免飛碴，超高一级做片爱片久久毛片A片、坡度設(shè)置靈活等優(yōu)點女人爽到呻吟的在线观看视频，在德國高速鐵路建設(shè)中受到重視，得到了廣泛應(yīng)用偷窥盗摄，并形成了Rheda久久免费发布视频、Zt~BLIN、BERLIN伊人久久久AⅤ老熟妇二区三区、B6GL等系列產(chǎn)品国内揄拍国内精品人妻不卡。

Technical Analysis of Ballastless Track of DB and ProposalsXin Xuezhong Abstract Ballastless track features little maintenance,high reliability,long service life,low cost compared to its service life, low structure height, large transverse track resistance, ballast splashing—proof,and flexible superelevation and gradient.

由于無碴軌道具有維修量小，穩(wěn)定性好在线观看激情无码毛片，使用壽命長国产1级在线视频网站免费，全壽命周期費用低，結(jié)構(gòu)高度低av国模，橫向軌道阻力大国产欧美亚洲日韩片在线观看网站，可避免飛碴，超高六月色色网、坡度設(shè)置靈活等優(yōu)點做a视频免费在线观看，在德國高速鐵路建設(shè)中受到重視，得到了廣泛應(yīng)用欧州色色，并形成了Rheda婷婷五月深爱憿情网、Zt~BLIN、BERLINJIUJIUZAIXIANSHIPIN、B6GL等系列產(chǎn)品A片不卡视频网站。

Be honest with yourself(If Coke and Coffee are going to cost X cents a day plan for X cents a day.) If your allowance is supposed to cover such items as new pantyhose,dry cleaning shoe repair oil、gas auto maintenance and so forth budget these costs.

老實跟自己（如可樂欧美一级片操逼，咖啡欧美第一区，是去成本x美分天計劃對x美分每天）如果你的免稅額，是為了掩蓋這種項目作為新的pantyhose 日韩手机色情免费观看网站视频，干洗修鞋石油久久综合精品二区无码，天然氣汽車維修等等這些預(yù)算費用wwwwww18岁黄色禁。

Be honest with yourself(If Coke and Coffee are going to cost X cents a day plan for X cents a day.) If your allowance is supposed to cover such items as new pantyhose,dry cleaning shoe repair oil、gas auto maintenance and so forth budget these costs.

老實跟自己（如可樂曰批全过程免费视视频观看，咖啡嗯a操我视频，是去成本x美分天計劃對x美分每天）如果你的免稅額，是為了掩蓋這種項目作為新褲襪免费丝袜美女一级A片，干洗修鞋石油亚洲黄色视视频，天然氣汽車維修等等這些預(yù)算費用。