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昆(kun)明电(dian)动(dong)压差旁通阀(fa)厂家
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昆(kun)明(ming)单偏心对(dui)夹电(dian)动(dong)蝶(die)阀(17)
云南(nan)单偏心对夹(jia)电(dian)动(dong)蝶(die)阀(fa)厂家(17)
昆(kun)明(ming)单偏(pian)心对(dui)夹(jia)电(dian)动(dong)蝶阀(fa)厂家(jia)(17)
云南单(dan)偏(pian)心对夹电(dian)动(dong)蝶阀(fa)(16)
云南(nan)单偏(pian)心(xin)对夹(jia)涡(wo)轮(lun)蝶(die)阀(16)
昆明单(dan)偏(pian)心对(dui)夹涡(wo)轮(lun)蝶(die)阀(fa)(16)
云南(nan)单偏(pian)心(xin)对(dui)夹涡轮(lun)蝶(die)阀(fa)厂家(jia)(16)
昆(kun)明(ming)单偏(pian)心(xin)对夹(jia)涡(wo)轮蝶(die)阀厂(chang)家(jia)(16)
昆明(ming)排(pai)渣闸阀(11)
云(yun)南(nan)排(pai)渣(zha)闸(zha)阀(fa)厂家(11)
昆(kun)明(ming)排渣闸阀(fa)厂(chang)家(jia)(11)
云南暖(nuan)通阀门(men)(10)
昆(kun)明暖通阀门(men)(10)
云南暖通(tong)阀门(men)批发(fa)(10)
云(yun)南(nan)排渣(zha)闸(zha)阀(10)
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自(zi)力式(shi)压(ya)差(cha)控制阀(fa)
自(zi)力(li)式(shi)压(ya)差控(kong)制(zhi)阀(fa)不(bu)需外来(lai)能(neng)源依(yi)靠(kao)被(bei)控介(jie)质(zhi)自身压力变(bian)化(hua)进行(xing)自动(dong)调节(jie)，自(zi)动(dong)消除(chu)管网的(de)剩余(yu)压(ya)头及压(ya)力(li)波(bo)动(dong)引起(qi)的流量偏差恒(heng)定用户(hu)进(jin)出(chu)口(kou)压(ya)差，有(you)助(zhu)于稳定(ding)系(xi)统(tong)运(yun)行(xing)，特别(bie)适用(yong)分户(hu)计(ji)量(liang)或自动控(kong)制(zhi)系统(tong)中(zhong)。