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17.2 Replacement of the fifth paragraph, except for belt sanders:: ^: O" J5 X4 A8 F2 O9 Y3 T$ F' l1 M
Orbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders
/ v3 @' a3 f/ ~) E: {/ ?! land polishers are operated while the platen, fitted with abrasive paper in reverse position or a
. S& i x4 O. S/ Vpolishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel8 x) R# I- Z1 c
plate. The abrasive paper should be replaced as required to avoid direct contact between! _) ?' e5 Q3 ?8 z' D" Z7 ?
platen and steel plate. These tools are only tested in the upright position where the platen is
3 P+ r8 u9 f+ E& Z: Whorizontal.( ?: \7 \; D' u5 j( u( R6 E; `
哪位大侠可以帮忙说下上面这段是什么意思8 n. y) K2 o7 \" @5 i
小弟看了半天还是没搞明白 |
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