Using the programmable controller in the automobile rear axle house ring stiffener, logic sequential control was realized in the top plate automatic welding craft.

采用可编程控制器在汽车后桥壳加强环、后盖自动焊接工艺中实现逻辑顺序控制。

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The adoption of programmable controller in the electric control system realized the automatic control from the reception of coal from coal bunker to the sequential charging of the charging car.

在电气控制系统中采用可编程控制器，实现了装煤车从煤塔取煤到顺序装煤的自动控制。

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