Crack, cold laps and lack of fusion belong to planar discontinuity.
属于这种类型的缺陷有裂纹、冷隔、末熔合等。
To a lesser extent, lack of fusion at the bottom of the joint was observed also.
在一定程度上接头上熔接不好的缺陷也观测到了。
The weld shall be free of any lack of fusion, undercutting, cracks and other defects which could impair the worability or use of the product in question as specified by the purchaser.
焊缝不能有未熔合，咬边，裂纹和其它影响产品工作和使用的缺陷。这些都已经经过采购人员的一再强调。
Combination dish medium mercury represent thought fusion or lack of joint of ideas.
组合盘中的水星代表着思想的交汇融合或缺乏想法。
Based on the analysis of site welding, the main welding defects are lack penetration, lack fusion, slag inclusion and porosity.
从现场施工情况分析，焊接的内部缺陷主要有未焊透、未熔合、夹渣和气孔等几种。
Existing network security or management systems can collect lots of security data, but lack the mechanism of effective data fusion and cooperative management.
但现有的网络安全保障或管理系统，虽然能够获取大量的安全数据，却缺乏有效的数据融合和协同管理机制。
Existing network security or management systems can collect lots of security data, but lack the mechanism of effective data fusion and cooperative management.
但现有的网络安全保障或管理系统，虽然能够获取大量的安全数据，却缺乏有效的数据融合和协同管理机制。
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