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9.4.1 The plywood used for constructing temperature test boxes shall be 12-mm (1/2-in trade size) thick with at least one side that has all voids filled and sanded. 3 g# _& B+ b* e0 V* s
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这个填充所有缝隙如何理解?我个人理解为打磨后涂漆。不知实际上应该如何。求指教!
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' f2 ]9 S8 B V* k9.5.1最后一句:
& ?/ W- W, M$ y" WThe supply lampholder shall be porcelain coated andhave a cast metal cap bearing against the cylinder top.9 n! t# |( j* d
一个带金属帽的外部陶瓷的灯头。这个灯头因为不同规格。是不是说。我直接在圆筒顶面开个孔。固定个金属帽。用什么灯头就自己牵?
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那位帅哥美女,有这个测试盒子的图片的。求图!0 ~4 l' Y3 r" p
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