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是这个纱布吗？
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41.1.28 Wherever cheesecloth is mentioned in connection with either a temperature test or an abnormal: z9 _# C5 c% N" o
test, the cloth is to be bleached cheese-cloth, running 14 – 15 yd2/lb (approximately 28 – 30 m2/kg), and
$ @+ q( z1 J P5 v+ P, U) Fhaving what is known to the trade as a ²count of 32 ´ 28² – that is, for any inch square, 32 threads in one7 l0 D! H- J8 K" y9 K9 s
direction and 28 threads in the other direction (for any centimeter square 13 threads in one direction and8 N0 X" j/ S! u6 K$ G* m" O
11 threads in the other direction).5 y* _1 v7 n; h
我们有40克的纱布，28×32。& k8 x" O$ t* U8 P1 R! K
http://www.eychi.com/product/cc40.html
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发表于 2011-7-25 19:39
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