forward weld 中文意思是什麼
forward weld
解釋
向前焊接-
Put forward is the future plan on the improvement of the forge - weld hbbb, which is helped to research and design of the hbbb for the ss7 - type electric locomotive and other electric - driving locomotives in the future
提出了鍛焊抱軸箱體攻關工作的進一步設想，對今後韶山7型電力機車抱軸箱體的進一步攻關及其它電傳動機車抱軸箱體的設計和研究，有一定的借鑒作用。 -
Abstract : in view of the quantity examination of weld defect by ultrasonic, on the basis of theoretical analysis and test, the cause, composition and contriling method of error of crack defect size h have been analyzed systematically, a controlling and statistical method of ultrasolic examination error has been put forward. this method is simple and suitable, and has been verified by test
文摘:針對焊縫缺陷超聲波定量檢測，從理論分析與實驗出發，系統分析了裂紋類缺陷自身高度尺寸h的檢測誤差的物理成因、組成及誤差控制方法，提出了一套實用簡潔並經實驗證實可行的超聲波檢測誤差控制及統計方法。
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