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毛主席说:“学习有两种态度。一种是教条主义的态度,不管我国情况,适用的和不适用的,一起搬来。这种态度不好。另一种态度,学习的时候用脑筋想一下,学那些和我国情况相适合的东西,即吸取对我们有益的经验,我们需要的是这样一种态度。”在我国造船系统中,焊缝常用射线来检查,已有十多年的历史了。但对质量的评定,不少单位仍采用苏修那套三级制,如 OC-056以及 X 光标准图册,也有采用7412 149-59和7412-150-57文件及图册的。这些标
Chairman Mao said: “There are two attitudes to learning, one is dogmatic attitude, no matter what our situation, applicable and not applicable, moved together, this attitude is not good .Other attitude, learning time Think about it and learn something that is suitable for our situation, that is, to learn from our experience, what we need is an attitude. ”In China’s shipbuilding system, welds are commonly used for inspection of rays and have more than a dozen Years of history. However, the quality assessment, many units still use the Soviet revisionist set of three-tier system, such as OC-056 and X-ray atlas, but also the use of 7412 149-59 and 7412-150-57 documents and atlas. These standards