IEC 60884-1 clause 10.1和clasue 24.5关于压力测试各自的目的是什么？

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IEC60335试验指甲

10.1节选
+ D2 {; u$ }, sEach specimen of plug or portable socket-outlet is then pressed between two flat surfaces
; [% ?, G/ p5 Y  G( bwith a force of 150 N for 5 min, as shown in figure 8. The specimen is checked 15 min after
- ~: i" L5 I. |removal from the test apparatus, and shall not show such deformation as it would result in
undue alteration of those dimensions shown in the relevant standard sheets which ensure
: ~* s6 ]  @0 V: U6 o4 v* @* t7 y9 D! gsafety.
# y0 g( v2 M! K0 X* K, g- b, T
& _: r" O& H* X" a+ R24.5 The specimens are subjected to a compression test as shown in figure 8, the
temperature of the pressure plate, of the base and of the specimens being (23 ± 2) °C and the
force applied being 300 N.
The specimens are first placed in position a), as shown in figure 8, and the force is applied for
/ ~4 u) j  D1 r" X* Q  K) t5 y- t1 min. They are then placed in position b), as shown in figure 8, and again subjected to the
$ p. r( q( ]. {% s* X9 zforce for 1 min.
The specimens are removed from the test apparatus and after 15 min they shall show no
% z( T+ e* _. l% ]1 _& S2 |+ Pdamage within the meaning of this standard.

. b* |/ E! X& R5 u2 X+ t& a
问题：clause 10.1所用压力为150N，而clause 24.5所用压力是300N。IEC 60884-1 clause 10.1和clause 24.5关于压力测试各自的目的是什么？
9 v' V7 M/ j1 z( W* T
: O. D: F& C6 Z8 ?