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这话原文是这样:& Q# R$ f/ t Y @9 I7 ]! p
Luminaires for temporary installations and suitable for mounting on a stand
. N D% [9 ^" Z \7 nThe luminaire shall withstand four impacts resulting from the following test. , P$ {# D" K4 c4 k2 {
Any lamp(s) are removed before the test.
- G, j# _% _7 K, O6 v7 ^* ZThe 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. / r" @" [% p- S9 L( d6 _+ N. |
After the test there shall be no impairing of the safety. , {* ^! z4 l' h4 V; W, r8 p! m
1 x9 H$ |" B$ b8 e" t3 A3 k$ d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。" e7 F4 w$ S, |! |2 a
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。5 ?& A! Y; P3 B5 N
这里是 fall freely against the wall,并非自由落体。 |
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