It was such an irresponsible enterprise that it added tripolycyanamide to its milk powder, which tragically led to many babies' developmental disorders and ruined many families' happiness.

这是一个不负责任的企业，在奶粉中添加三聚氰胺，悲剧地导致了很多婴儿发育障碍，破坏了很多家庭的幸福。

Serials of naphthalin and tripolycyanamide have low water reducing efficiency.

萘系与三聚氰胺系减水率较低。

Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.

萘系与三聚氰胺系减水率较低，在低水灰比下流动性较差且坍落度损失较大，不利于商品混凝土的运输和施工。