Two methods for ultrasonic flaw detection of T-fillet welds with complete fusion are presented, i. e. Single straight probe and single tilting probe techniques.
介绍了全焊透t型角焊缝超声波探伤的两种方法：单直探头法和单斜探头法。
The operating rule and time calculation of the two-speed trolley conveyer, and the design of operating program of single trolley, single hook conveyer are discussed. A newer t…
本文讨论了双速行车的运行规律和时间计算，及单车单钩型行车的运行程序设计，提出了比较新的论点。
The operating rule and time calculation of the two-speed trolley conveyer, and the design of operating program of single trolley, single hook conveyer are discussed. A newer t…
本文讨论了双速行车的运行规律和时间计算，及单车单钩型行车的运行程序设计，提出了比较新的论点。
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