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我觉得反推不一定正确。并且这段话出现在table 3中,我的理解只适合温升。并且适用于把手和手柄之类的metal.在table 3中"metal"共出现两次。Surfaces of handles, knobs, grips and similar parts which are continuously held in normal use0 B$ p, i0 [3 b( l6 R) v
(e.g. soldering irons)
8 Y+ F9 |+ R) b-of metal– of porcelain or vitreous material$ g6 y8 j" e" E/ S w2 E: n
– of moulded material, rubber or wood
( D2 ~4 j6 s* iSurfaces of handles, knobs, grips and similar parts which are held for short periods only in
4 i, T7 k O2 h/ onormal use (e.g. switches):
w T3 I3 X$ }2 k. v, c D& T3 C- S/ F– of metal" b# W* ~1 R* |& R* S7 O* S
– of porcelain or vitreous material, k L) P. |& c: K1 \
– of moulded material, rubber or wood |
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