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这话原文是这样:5 ]/ u5 s X ], c% R; j" |
Luminaires for temporary installations and suitable for mounting on a stand
/ l, ]2 U& u9 C9 Q& DThe luminaire shall withstand four impacts resulting from the following test.
3 u9 D1 ^, G1 G; P3 `" z5 iAny lamp(s) are removed before the test.
5 ~5 G# W, B: {The luminaire is suspended by an aluminium rod along a concrete or brick wall. The length of the rod is that of the stand as indicated for a possible stand in the mounting instruction. The luminaire is lifted until the rod is in the horizontal plane and then allowed to fall freely against the wall. % Z! G- A( f0 S4 K$ Q
After the test there shall be no impairing of the safety.
( P/ `" [# U! S$ n. Q& }/ ]. T1 v, A
- u1 A& P5 f' q) J& J) C4 J注意红字。试验开始前,灯具挂在沿墙面吊着的铝杆上。注意这时灯具随铝杆是垂直地面的。0 o3 Z; N6 t! R. ~: f$ j7 z0 b0 k
然后(注意蓝字)再将灯具提起,直到铝杆达到水平。如28楼说,可以用手提起灯具一端,铝杆的另一端应是用可以绕轴旋转的方式固定在墙上。然后放手,让灯具与铝杆自由向墙体落下。7 m/ z+ q7 m) S' d/ o# g
这里是 fall freely against the wall,并非自由落体。 |
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