paraffinoil,paraffinwax

液体石蜡(mineral oil,矿物油,白油);high 商品大图
oil liquid paraffin
生化试剂级矿物油(石蜡油)mineraloil进口分装
化学试剂 石蜡油 矿物油 mineral oil 500ml/瓶含票价
intermediate white mineral hydroxy 15# light liquid paraffin oil