|
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 use; O3 o/ T8 ^/ d2 J
(e.g. soldering irons)6 T4 v9 @; x5 q+ X
-of metal– of porcelain or vitreous material
0 l2 B3 i( C/ C– of moulded material, rubber or wood
# x5 G- n5 L Q( jSurfaces of handles, knobs, grips and similar parts which are held for short periods only in
2 A& {, B: t! r4 N6 h: e8 }8 j9 Rnormal use (e.g. switches):- B) _ ~( N! |) O
– of metal
( g3 m$ ^, R6 s8 G" a7 v) o9 r3 q– of porcelain or vitreous material
( b. H7 i7 E9 m$ U6 V4 E' `– of moulded material, rubber or wood |
|