云南西双版纳AMF-Z-20高原电磁脉冲阀
CBQL-F540/F532-CFH,CBQL-F540/F540-CFH,CBQL-F532/F525-CFH,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-F532/F520-CFH,CBQL-F532/F532-CFH,CBQL-F525/F520-CFH,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-F525/F525-CFH,CBQL-F520/F520-CFH,CBQL-E563/F525-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-E563/F520-CFHL,CBQL-E563/F532-CFHL,CBQL-E563/F540-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-E563/F550-CFHL,CBQL-F550/F520-CFHL,CBQL-F550/F532-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-F550/F525-CFHL,CBQL-F550/F540-CFHL,CBQL-F550/F550-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-F540/F520-CFHL,CBQL-F540/F525-CFHL,CBQL-F540/F540-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
CBQL-F540/F532-CFHL,CBQL-F532/F520-CFHL,CBQL-F532/F525-CFHL,齿轮油泵,双联齿轮泵,无锡温纳生产厂家
云南西双版纳AMF-Z-20高原电磁脉冲阀
PV2R2-59-F-1-L,PV2R2-59-F-1-R,叶片泵,高压低噪音叶片泵,PV2R系列叶片泵
云南西双版纳AMF-Z-20高原电磁脉冲阀
PV2R12-8-53-F-REAA,PV2R12-8-59-F-REAA,PV2R12-8-85,PV2R12-8-75-F-REAA低噪音叶片泵,WENA叶片泵厂家
PV2R13-6-52,PV2R13-6-60,PV2R13-6-66,PV2R13-6-76低噪音叶片泵,WENA叶片泵厂家
PV2R13-6-85,PV2R13-6-94,PV2R13-6-116,PV2R13-6-125低噪音叶片泵,WENA叶片泵厂家
PV2R13-6-136,PV2R13-6-153,PV2R13-31-136,PV2R13-31-153低噪音叶片泵,WENA叶片泵厂家
PV2R13-31-52,PV2R13-31-310,PV2R13-31-316,PV2R13-31-76低噪音叶片泵,WENA叶片泵厂家
PV2R13-31-85,PV2R13-31-94,PV2R13-31-116,PV2R13-31-125低噪音叶片泵,WENA叶片泵厂家
PV2R1-4L,PV2R1-4R叶片泵厂家直销
PV2R1-6L,PV2R1-6R叶片泵厂家直销
PV2R1-8L,PV2R1-8R叶片泵厂家直销
PV2R1-10L,PV2R1-10R叶片泵厂家直销
PV2R1-12L,PV2R1-12R叶片泵厂家直销
PV2R1-14L,PV2R1-14R叶片泵厂家直销
PV2R1-17L,PV2R1-17R叶片泵厂家直销
PV2R1-19L,PV2R1-19R叶片泵厂家直销
PV2R1-23L,PV2R1-23R叶片泵厂家直销
PV2R1-25L,PV2R1-25R叶片泵厂家直销
PV2R1-28L,PV2R1-28R叶片泵厂家直销
PV2R1-31L,PV2R1-31R叶片泵厂家直销
PV2R2-26L,PV2R2-26R叶片泵厂家直销
PV2R2-33L,PV2R2-33R叶片泵厂家直销
PV2R2-41L,PV2R2-41R叶片泵厂家直销
PV2R2-47L,PV2R2-47R叶片泵厂家直销
PV2R2-53L,PV2R2-53R叶片泵厂家直销
PV2R2-59L,PV2R2-59R叶片泵厂家直销
PV2R2-65L,PV2R2-65R叶片泵厂家直销
PV2R3-52L,PV2R3-52R叶片泵厂家直销
PV2R3-60L,PV2R3-60R叶片泵厂家直销
PV2R3-66L,PV2R3-66R叶片泵厂家直销
PV2R3-76L,PV2R3-76R叶片泵厂家直销
PV2R3-94L,PV2R3-94R叶片泵厂家直销
PV2R3-116L,PV2R3-116R叶片泵厂家直销
PV2R3-125L,PV2R3-125R叶片泵厂家直销
PV2R3-136L,PV2R3-136R叶片泵厂家直销
PV2R3-153L,PV2R3-153R叶片泵厂家直销
YB-D355叶片泵厂家直销
PV2R1-06-L-R叶片泵,无锡温纳
PV2R1-06-L-L叶片泵,无锡温纳
PV2R1-06-F-R叶片泵,无锡温纳
PV2R1-06-F-L叶片泵,无锡温纳
PV2R1-08-F-R叶片泵,无锡温纳
PV2R1-08-F-L叶片泵,无锡温纳
PV2R1-08-L-R,PV2R1-08-L-L叶片泵,无锡温纳
PV2R1-10-F-R叶片泵,无锡温纳
PV2R1-10-F-L叶片泵,无锡温纳
PV2R1-10-L-R,PV2R1-10-L-L叶片泵,无锡温纳
PV2R1-12-F-R叶片泵,无锡温纳
PV2R1-12-F-L叶片泵,无锡温纳
PV2R1-12-L-R,PV2R1-12-L-L叶片泵,无锡温纳
PV2R1-14-L-R,PV2R1-12-L-L叶片泵,无锡温纳
PV2R1-14-F-R叶片泵,无锡温纳
PV2R1-14-F-L叶片泵,无锡温纳
PV2R1-17-F-R叶片泵,无锡温纳
PV2R1-17-F-L叶片泵,无锡温纳
PV2R1-17-L-R,PV2R1-17-L-L叶片泵,无锡温纳冷却塔的工作原理:冷却塔是利用水和空气的接触,通过蒸发作用来散去工业上或制冷空调中产生的废热的一种设备。基本原理是:干燥(低焓值)的空气经过风机的抽动后,自进风网处进入冷却塔内;饱和蒸汽分压力大的高温水分子向压力低的空气流动,湿热(高焓值)的水自播水系统洒入塔内。当水滴和空气接触时,一方面由于空气与不的直接传热,另一方面由于水蒸汽表面和空气之间存在压力差,在压力的作用下产生蒸发现象,带到目前为走蒸发潜热,将水中的热量带走即蒸发传热,从而达到降温之目的。