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17.2 Replacement of the fifth paragraph, except for belt sanders:
7 }' e" b4 u# F( I4 h& F/ Y* GOrbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders
, _( U4 L* X! z, p8 V! k, fand polishers are operated while the platen, fitted with abrasive paper in reverse position or a4 c* N/ V/ S. {) G. }+ B; I: a
polishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel
7 k% H* ~; D: _2 l$ N$ Mplate. The abrasive paper should be replaced as required to avoid direct contact between% }" s- Q0 ~; I* Q, ]* s8 g: V
platen and steel plate. These tools are only tested in the upright position where the platen is; w9 d3 J4 b' H" S
horizontal.
8 T% g. F/ W. h7 f哪位大侠可以帮忙说下上面这段是什么意思% @, b1 I$ {" t4 f& l$ C
小弟看了半天还是没搞明白 |
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