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g的种c?/h1>
gU类很多Q归Ux以下几种主要cd:
1.变直径管Ӟ指管端或上某一部分直径减小Q?br />
2.变壁厚的gQ指沿管子长度方向壁厚发生变化Q?br />
3.改变断面的管ӞҎ要求Q将圆Ş断面变ؓ方Ş、椭圆Ş、多边Ş{等Q?br />
4.弯曲gQ我们接触比较多的,是直变Z同曲率半径的弯管Q如弯头、弯等{;
5.带凸~和圆缘的管Ӟ前者指子端部向内侧或外侧凸,后者指在管的圆周方向Ş成隆L或凹槽的g
6.带卷边和底cȝgQ增加管端d度向的外侧或内侧卷Ҏ管件端部封住的g
7.q接道及各U阀部g的法兰盘
相关标签Q?/div>
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