yabo手机版-yabo手机版登录-官网

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?????????????????????????????????涨????????????????????GB/T713??GB/T3531??GB/T19189??GB/T24511???涨?????????????-0.30mm??

????Q235B??Q235C??壬GB/T150.2????D?й涨?????GB/T3274?????????????????GB/T709?????

GB/T709?к????????N??A??B???C???????δ?????????????????????????????N???涨???????????????±???


SW6???????Q235B??Q235C??????????????????????????-0.30mm??????????????в??????????????B??????????????????????????

????????1.5MPa????????100?棬????1000mm??C2=2??????Q235B???????????????

?????????6.68mm?????????N?????1500?????C1=0.50?????????????????????11mm????????SW6????????B????????????????10mm????????????1mm??

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??????-???????????NB/T 47002.1?и????????????????????6?е?涨??


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