表1-11常用原料皮各層厚度的比率單位:%原料皮(鮮皮)表皮層真皮層乳頭層網(wǎng)狀層黃牛皮水牛皮牦牛皮山羊皮綿羊皮馬皮豬皮0.5~1.00.5~2.00.5~1.51.0~2.01.0~2.52.0~3.01.0~2.015~305~2515~3550~7560~704070~8575~8565~8525~5030~406098~ (共 166 字) [閱讀本文] >>
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 表1-11常用原料皮各層厚度的比率單位:%原料皮(鮮皮)表皮層真皮層乳頭層網(wǎng)狀層黃牛皮水牛皮牦牛皮山羊皮綿羊皮馬皮豬皮0.5~1.00.5~2.00.5~1.51.0~2.01.0~2.52.0~3.01.0~2.015~305~2515~3550~7560~704070~8575~8565~8525~5030~406098~ (共 166 字) [閱讀本文] >>