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17.2 Replacement of the fifth paragraph, except for belt sanders:
; p" Q8 n5 e4 G4 nOrbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders( j, a( K/ h, s( ~0 K" E
and polishers are operated while the platen, fitted with abrasive paper in reverse position or a m. _" Q3 Y$ w
polishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel
# `5 y5 j% k7 k( ]. |plate. The abrasive paper should be replaced as required to avoid direct contact between
, m; q. Z I q" |) @0 u5 Dplaten and steel plate. These tools are only tested in the upright position where the platen is
# q: {- n3 d+ A4 A+ h* U5 `horizontal.
! U$ O! p5 R9 a4 ?: R+ M哪位大侠可以帮忙说下上面这段是什么意思 F4 I6 c+ U1 a9 q1 w
小弟看了半天还是没搞明白 |
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