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17.2 Replacement of the fifth paragraph, except for belt sanders:
" ]# | q) r: s3 z: lOrbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders
# j' t/ X- o0 q+ F& D% x( o `+ `and polishers are operated while the platen, fitted with abrasive paper in reverse position or a
3 ~3 I; R; |: Z( U6 Gpolishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel+ T4 y% V) x& D
plate. The abrasive paper should be replaced as required to avoid direct contact between
$ l, l) T7 }, X" a5 Kplaten and steel plate. These tools are only tested in the upright position where the platen is
6 b( R; @; y3 g1 q, v, `horizontal.
* m1 a* k) x# \0 n0 P哪位大侠可以帮忙说下上面这段是什么意思. w" g% ^; S+ j5 Q
小弟看了半天还是没搞明白 |
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