(the idea can arguably be traced back as far as the Hanging Gardens of Babylon, built around 600bc.) So far, however, the idea remains firmly on the drawing board.
(这个想法无疑可以追溯至公元前600年左右建造的巴比伦空中花园)然而，到目前为止，这个想法仍然停留在绘图板上。
The causes for the initiation of the "spark phenomenon" during continuous wire drawing and annealing are traced. Simple measures to extinguish the spark are proposed.
本文对连续拉丝过程中出现铜线表面“打火现象”的原因进行分析，并提出简单的消除方法。
The causes for the initiation of the "spark phenomenon" during continuous wire drawing and annealing are traced. Simple measures to extinguish the spark are proposed.
本文对连续拉丝过程中出现铜线表面“打火现象”的原因进行分析，并提出简单的消除方法。
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