添加的甲基汞的回收率据报到达90%左右.The recovery of added methylmercury was reported to be approximately 90 %.烯酮, 特别是二甲基烯酮, 很容易齐聚和聚合.Ketenes, notably dimethyl ketene, readily undergo oligomerization and polymerization.六亚甲基二异氰酸酯 ( HMDI )...
Please send me your account or a detailed or itemize account.请把您的帐簿(或明细帐)送来.Please send me your account or a detailed or an itemize account.请寄我帐单或明细帐单.Our september sale increase 560 thousand over August which itemize he...