test methode for hemfibre- test method for oil content in hemfibre
合成纤维长丝含油率试验方法的英文 ... 合成纤维长丝捻度试验方法 testing method for twist of synthetic filament yarns 含油率试验方法 test methode for hemfibre-: test method for oil content in hemfibre 合成纤维长丝取样方法 sampling method for synthetic filament yarns ...
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