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罕见题目

28

2019-08

铝塑门窗装备焊接后呈现的焊接件错位的缘由?

zaihanjihanwanhou,huichengxianxianglinhanjiejiancuoweidejingxiang,jiyingxiangdaochanwudebiaomianyouyingxiangdaojiaoqiangdu,xingchengcuoweideyuanyouyou:1、xingcaidingweibanbicidiweibuzhunque。diaojicehoudingweiban。

28

2019-08

可否先容一下中空玻璃装备平常颐养小常识?

renhejixiezhuangbeidouyoubenshendeyibanmosunherenwujixian,zaizhuangbeijizanmendizaolirundeshichenzanmenyebunengjianwangtamenyexuyao“bihu”,shangmianjianlvexianrongxiazhongkongbolizhuangbeideyiyangjibaohuzhuzhongshibian。

28

2019-08

中空玻璃外部呈现水和水汽是甚么缘由?

zhongkongboliwaibuchengxianshuiheshuiqishouyaoshiyinweizhongkongbolimifengziliaohemifengshouyibuguoguanxingchengde。

ruoshininyourenhetimu,qingdangjijieqiazanmen

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