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17.2 Replacement of the fifth paragraph, except for belt sanders:' F! l+ T" A' F
Orbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders( v5 h C: }2 a3 R5 _
and polishers are operated while the platen, fitted with abrasive paper in reverse position or a6 M* R7 \' l0 R9 g: W' f
polishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel
9 H* d* }7 r P( W5 o0 r. Aplate. The abrasive paper should be replaced as required to avoid direct contact between0 Y2 q8 [/ g- B6 x" W) z
platen and steel plate. These tools are only tested in the upright position where the platen is
) z& D& K4 ?9 A" J, H Ehorizontal.
, X3 ?% S' U: l哪位大侠可以帮忙说下上面这段是什么意思/ e% `, r6 p; i. L" v& D
小弟看了半天还是没搞明白 |
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