例句 /

Coated urea fertilizer is a new type fertilizer to improve fertilizer's usage rate and solve the environment pollution questions.

Coated urea fertilizer is a new type fertilizer to improve fertilizer's usage rate and solve the environment pollution questions.

摘要包膜尿素肥料是提高肥料利用率,解决环境污染问题的一种新型肥料。