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各位前辈,我想请教一个问题,就是吹风机19.2的测试条件:
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19.2 Addition:( \' y5 F2 ?! ?8 V) Z, w
Restricted heat dissipation is obtained as follows:1 S! K) m$ ~% m! Y4 ?+ {! v
– motors are disconnected;
8 l T. v: D$ Y& ]– hand-held hairdryers are placed on the floor of the test corner in any stable position
+ K1 x) v, K8 Elikely to occur;
1 }. H2 L# V3 q- J– appliances intended to be filled with water are operated empty;
& N, a' }# N* \7 y; d0 p) D– hand-held appliances without an integral rest are placed on the floor of the test corner in2 j4 O7 ^! i% K! a1 a. ?. Y
any stable position likely to occur.
2 Z2 u" N7 M6 h `& rHairdryers having a flexible hood attachment are also tested with the motor operating, the! a" o$ X0 _0 y% A, O
airflow through the hose being restricted to give the most unfavourable result.* r2 r1 z- `( C
Heaters for detachable curlers are placed on a piece of low-density glass-fibre insulation
& Y' b. V1 Z( }% }having a coefficient of thermal insulation of approximately 2,5 m2K/W.
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这些条件是独立的做多个实验 还是同时满足做一个实验?
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& n8 ]$ n" x0 p- w6 s4 e* q' j; O请大家指点,谢谢。
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