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导电拖板是起重电气的一种。
Extension units is the electrical conductivity of a crane.
youdao
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切削刀被固定在刀架上， 刀架装置在拖板上。
The cutter is clamped in the tool post, which is mounted on the carriage.
youdao
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切削刀被固定在刀架上， 刀架装置在拖板上。
The cutter is clamped in the tool post, which is mounted on the carriage.
youdao