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17.2 Replacement of the fifth paragraph, except for belt sanders:
) _" {, c: b6 S2 ~Orbital sanders and polishers, random orbit sanders and polishers, and reciprocating sanders
% q$ V- s3 K1 o- F# sand polishers are operated while the platen, fitted with abrasive paper in reverse position or a" r( d7 j S* V: k/ b# @
polishing bonnet as applicable, is resting under the weight of the sander or polisher on a steel
5 y7 o" c; K% C( d3 |3 }& p8 E3 Hplate. The abrasive paper should be replaced as required to avoid direct contact between
' ?/ |5 Y9 |8 t- V K6 M' r: {platen and steel plate. These tools are only tested in the upright position where the platen is3 h, `" f" y( c
horizontal.) Y9 k$ M2 l/ A' l3 N" s# u0 h
哪位大侠可以帮忙说下上面这段是什么意思
* S$ g4 e3 D7 t6 T' T' T" O8 p, J- H小弟看了半天还是没搞明白 |
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