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When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the
$ a$ j9 p9 j: T. Qlamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
0 Y& i. |# d( ?1 [) |line joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or
7 O8 @, C) L- V7 G$ g) m! Uarticulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in
8 W4 w' Z+ O5 [: O ^$ stip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted
8 u$ S f% \: Z# t# Bas for a unit having a single arm, and the other arm or arms are to be extended vertically.. i" |& @& @) M% a& W
$ O9 X* j( |: E英文不好,如图示灯怎么操作呢
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