左右两侧的两个大孔,分别表示进气阀孔和排气阀孔.The large holes on the left and right represent the inlet and exhausting valve ports respectively.结果: LSA-5B型大孔吸附树脂对莲心生物碱具有较大吸附量.Result: The LSA - 5 B macroporous adsorption resin prolided the opt...
Don't antagonise the neighbours by making a noise.别吵吵闹闹,惹邻居讨厌.And too much advertising, he said, can actually antagonise people further.他还指出, 过多的广告会进一步加深民众的反感情绪....