CF - 62 钢是由日本首先开发成功的一种σs不小于490 N/ mm2 、σb 不小于610 N/ mm2 的焊接无裂纹(Crack - Free) 调质钢,其特点是碳含量低( ≤0. 09 %) ,采用Cr - Mo - V - B - Ni - Cu 合金体系,碳当量(Ceq) 和焊接裂纹敏感性系数低(Pcm< 0.
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crack free 无裂纹
crack-free 无裂纹的
welding crack free steel 焊接无裂纹钢
crack-free life 无裂纹寿命
crack-free steel 无裂纹钢
Surface crack-free 表面无裂纹
Free Crack II 所属专辑
stress free crack 应力释放缝
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Some vendors have even started bundling these with illegally modified WLAN CARDS that crack other Wi-Fi users' accounts to provide free Internet access.
一些卖家把这些和非法改装的无线网卡一起销售，这种改装过的无线网卡可以破解Wi - Fi密码，免费接入英特网。
SEM micrographs showed that the films were smooth and crack-free.
扫描电镜分析表明，膜的表面平整，无裂纹。
The results indicate that, with the proper amount of DDS doped, the membranes are uniform and crack-free, and have favorable mechanical ability and good flexibility.
结果表明，掺入适量的有机物dds，所制敏感膜均匀无龟裂，有较好的机械性和柔韧性。
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