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17.2 Replacement of the fifth paragraph, except for belt sanders:
5 N) }/ F, d& e& A! a4 n xOrbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders
# O2 ~. a; C9 N/ i6 D* R* s Q; Oand polishers are operated while the platen, fitted with abrasive paper in reverse position or a- k! y. r7 S3 W
polishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel4 D$ _# M- T! h! c. q3 H4 Y
plate. The abrasive paper should be replaced as required to avoid direct contact between
% |5 p8 m E& J3 D1 Oplaten and steel plate. These tools are only tested in the upright position where the platen is* _8 P0 P* o9 o" c. h. f0 J+ j
horizontal.
V6 y f% s% n9 ^5 L哪位大侠可以帮忙说下上面这段是什么意思
/ r( h$ s6 F/ [小弟看了半天还是没搞明白 |
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