An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.
要是完全依靠三叶草氮,要在夏季获得每公顷草场900公斤
活体增重,是不可能
。
An average summer output in excess of 900 kg . liveweight per ha. could not have been obtained if there had been a complete reliance on clover nitrogen.
要是完全依靠三叶草氮,要在夏季获得每公顷草场900公斤
活体增重,是不可能
。
PQ Will Combine With Ineos Silicas — PQ Corp. and Ineos Silicas will combine to create a new producer of silicates and other inorganic chemicals with annual sales in excess of $1 billion.
PQIneos Silicas两公
将合并 —— PQ
Ineos Silicas两公
将合并,成立一家年销售额达10亿美元
硅盐酸
无机化学品
新公
.
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