绞车底板准备清洁和钻井螺栓孔。

Winch base plate ready for cleaning and drilling bolt holes.

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定期清洁机台表面、底板及下模滑板、沟槽、上模内压板及保险杆(注：必须关闭电源并恢复常温)。

Clean the machine including the surface, base, slip board, groove, pressed board and oriented pole in the fixed time. (turn off the power until the machine to normal temperature).

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