| 摘要 |
A magnetic clamp has a housing, the housing defining a base for resting on a work surface. An adjustable friction reducing arrangement is associated with the base of the housing. The friction reducing arrangement is movable relative to the base between a first position in which the friction reducing arrangement reduces an area of contact between the base of the housing and the work surface and a second position in which the area of contact between the base of the housing and the work surface is increased.
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