短語詞組短語hydrogen n cyanide 氫氰酸;氰化氫Butane And Hydrogen Cyanide 丁烷和氰化氫Hydrogen Cyanide Gas 氰化氫;氰化氫氣hydrogen cyanide laser [激光]氰化氫激光器HCN hydrogen cyanide 氰化氫hydrogen cyanide HCN 氫氰酸Formaldehyde And Hydrogen Cyanide 甲醛和氰化氫hydrogen cyanide works 氰化氫工程;氫氰酸廠Hydrogen Cyanide AC 氰化氫 返回 hydrogen cyanide