If upstream pressure can exceed D101 design pressure, it will add a block-in contingency to safety valve sizing.
如果上游压力会超过D101的设计压力则会给安全阀的调节带来出现意外堵塞的一种情况。
The flanging-sizing die structure of the exo-skeletal was improved, using auto-half block, solved the difficult problem of part out off die.
改进了的旧的骨架翻边整形模，采用自动哈夫成形，解决了零件出模困难的问题。
The mill, consists of a 18-stands mill, 8-pass non- twisted block mill and a 4-pass sizing mill.
生产线由18架轧机、8道次无扭线材轧机和4道次定径机组成。
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