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yuan lin yong ruan guan yu pen tou de yang hu
Author(s): 
Pages: 54-55
Year: Issue:  1
Journal: Water Saving Irrigation

Keyword:  软管喷头园林灌溉过滤器低强度结冰出故障金属器具内接头漏水;
Abstract: <正> 园林灌溉用的软管和喷头适当加以爱护,就能使用得长久。可是,许多软管的主人以为软管这东西总该用得长久的。结果,软管老化,喷头尽出故障。软管必须细心存放,尤其在冬天,更应存放得当,最好将其放人室内专用的园筒内或者车间内,决不能让水在软管内结冰,因为水一结冰,就会膨胀,致使软管变形而降低强度;也不应将软管挂在钉子上,这会产生铁锈,而损坏软管;同时,还应避免弯’折软管,因为软管一拉紧,弯折起来就有压的皱痕,软管扭曲时就会皱得更厉害.为使其不弯曲折皱,就要尽量把它铺直,而又不受拉力.铺直之后,用手抓起一端,旋转手
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