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dn65镀锌管
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  一、原材料规定。 1、镀锌管壁厚匀称,热镀锌层匀称,无抗拨、沙孔、棱刺、凹扁,外外皮无掉下来状况,并有产品合格证书。 2、防松螺母外观设计完好无损,丝口明确并有产品合格证书。 3、护口要详细,并有产品合格证书。 二、关键机器:煨管器、液压机煨管器、液压开孔器、工作压力案子、套丝机、防水套管机、扁锉、圆锉  

彩经网  SAN、ZUOYETIAOJIAN。 1、YUZHIHUNNINGTUBANNEICHUANGUAN,ZAI******CENGGANGJINBANGZHAWANHOU,SHANGYICENGJIANZHUGANGJINWEIKUNZHAQIAN,YIJUSHIGONGTUZHIGUIFANHEZUOTUJIANGONGCHENG。

  2、QIANGMIANCHUANGUAN,ZAITUJIANGONGCHENGGANGJINBANGZHAWANBI,ANQIANGMIANXIANCHUANGUAN。 SI、GONGZUORENYUANTIQIANZHUNBEI。

  YINWEIYIXIEYUANGUGONGCHENGXIANGMUDEXINGWEIZHUTIGONGCHENGSHIGONGHUANJIEYIZHICHUZAIQIANGSHIGONGQI,ZHEIJIUGUIDINGJIQISHEBEISHIGONGDUIWUKEXUEANPAISHIGONGDUIWU,BUBIZHANXIANRENYUANBUZUHUOGONGZUORENYUANZUOYONGBUQUELIERZAOCHENGDEWOGONGZHUANGKUANG。 WU、ZHUANYEJINENGTIQIANZHUNBEI。 SHIGONGQIYEDEZHUANYEJINENGGONGZUORENYUANXUZAIGONGCHENGSHIGONGQIANSHUSHIGONGCHENGTUZHI,DUIGONGCHENGTUZHIZHONGDEYOUJIANNANDEGONGCHENGSHIGONGLIANJIEDIANYAOBAWO,TIZAOXIANGHAOJIEJUEFANGAN。YAOTONGCHOUXIEDIAOMEIYIXITONGRUANJIANDEGUANDAOFANGSHI,BUBIZHANXIANSHUANGCENGGUANDAOCENGDIEDEZHUANGKUANG。

  六、原材料的初步加工。 对镀锌管的一端的连接头的切条,对要求预埋件壳体小盒子应提前准备木制的小盒子,对要求预埋件的防水套管应提早生产加工进行。


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