136 we are building an ethylene plant with an annual capacity of 300,000 metric tons.
136 we are building an ethylene plant with an annual capacity of 300,000 metric tons.
我们正在建设一座年产三十万吨的乙烯工厂。
136 we are building an ethylene plant with an annual capacity of 300,000 metric tons.
我们正在建设一座年产三十万吨的乙烯工厂。