Read Edit View history 氰氨化钙 qíng'ānhuàgài calcium cyanamide Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 氰氨化钙/氰氨化鈣 · qíng'ānhuàgài · calcium cyanamide 2026/03/04 氰氨化钙 / 氰氨化鈣 qíng'ānhuàgài calcium cyanamide calcium cyanamide 氰氨化钙可以用作高效的氮肥。 noun created sense Mar 4, 2026, 02:25 AM