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Heating Ventilating & Air Conditioning
1002-8501
1977 Issue 3
hui yi xiao xi
..............page:后插1
kong qi mu de ji suan
du ming zheng
..............page:43-46
bu fen fu he xia wen shi zhuang tai de kong zhi
zheng yuan fei
..............page:31-42
leng cang ku di xia fang dong de she ji yu ji suan
shen ji hua
..............page:24-27,23
zhe jiang ren min ti yu guan nei bu kong qi diao jie qing kuang
zhe jiang sheng gong ye she ji yuan
..............page:22-23
dan yuan zu he shui ping ceng liu zhuang pei shi jie jing shi
liu ji bu di jiu she ji yuan
..............page:18-21
shuang feng dao xi tong yong yu di xia tong xun ji fang
li kui yuan
..............page:15-17
shi wen shuang wei diao jie jing du de ji suan -- que ding dian jia re qi gong lv de tan tao --
yi ji bu ji chuang gong chang she ji chu
..............page:1-7