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A magnetic sleeve (6) is sheathed on the outside surface of the support tube and is in clearance fit with the support tube.
套在支承管外表面的磁性套筒(6)与支承管间隙配合。
youdao
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A magnetic sleeve (6) is sheathed on the outside surface of the support tube and is in clearance fit with the support tube.
套在支承管外表面的磁性套筒(6)与支承管间隙配合。
youdao