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这话原文是这样:
\ T g/ Z" T( l) `9 U( ZLuminaires for temporary installations and suitable for mounting on a stand
/ F8 T% G' y( F, QThe luminaire shall withstand four impacts resulting from the following test.
+ o! ~/ [1 X; O6 [7 qAny lamp(s) are removed before the test. 7 t, f& g, }: X m" l7 `
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. 6 r' j1 l! m& c
After the test there shall be no impairing of the safety.
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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。- m# W/ h. h) O% |5 j) C. N y
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。1 p, d# E5 K7 G, y6 E; D; W
这里是 fall freely against the wall,并非自由落体。 |
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