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b. The moment is the weight of a device multiplied by the distance between the center contact of the device lamp base and the center of gravity of the device.
) z. [) N, N+ t8 n我刚开始以为是扭矩,就是扭开灯座与灯头的力矩。呵。4 ?" ^8 B$ s! |( [' h# {, h
这个。灯座的中心点?如何理解和确定? 灯的重心,如何理解和确定位置?求解答。$ s( |$ i7 o4 _- R8 A$ R2 w
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另:a.For weight and moment measurements, lamp adapters shall be provided with lamps.
, |5 h1 T' O% G* j& R% {. T我的是个LED灯,没有插座。这怎么办?需要找个UL的标准插座么?UL标准插座的标准是?
# x+ O, \+ k& k4 n7 o初学灯具。望各位前辈怜惜。7 M& S- @* m: ], ?) \* L* e
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