|
When the portable luminaire has a flexible or articulated arm, the arm is to be bent before the$ ^: E2 x: _$ I0 i+ O, Z
lamp is placed on the inclined plane, starting at the lower end of the arm, to form a quarter circle that a
; `/ U2 }/ O' v- U& d( eline joining the ends of the arm make an angle of 45 degrees with the horizontal. When a flexible or
0 u" y7 H; D. }. d4 x4 D: Qarticulated arm is off-center with respect to the base, the arm is to be bent in the direction that results in3 Z' z" n" m9 @
tip over. When the unit has more than one flexible or articulated arm, one of the arms is to be adjusted
9 I4 U z6 M3 Y# S6 O6 Mas for a unit having a single arm, and the other arm or arms are to be extended vertically.2 M1 x! p8 g$ u- `+ a, _
( o; S( k0 G1 N9 e+ U( z英文不好,如图示灯怎么操作呢
7 Y: Q8 I9 a0 K& o% |. C* J
+ _1 T7 q* U$ }. J5 N$ W6 g# |" F8 a |
本帖子中包含更多资源
您需要 登录 才可以下载或查看,没有帐号?注册安规
x
|