在线等 求高人翻译!!

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THE ASSEMBLE ENCLOSURE MUST WITHSTAND THE FOLLOWING WITHOUT DISTORTION: 25lb (111N) FORCE APPLIED WITH 1/2" (12.7mm) DIAMETER HEMISPHERE FOR 1 MINUTE IMPACT OF 5lbf (6.78J) DELIVERED BY A 1.18lb (0.54Kg) STEEL SPHERE DROPPED 51" (3.31m
2013-08-19 695阅读
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