The fourth attempts to say which problem possibly appears and how to solve it in the coal industrial chainextension.
第四个问题是在煤炭产业链延伸过程中可能出现哪些问题以及如何解决这些问题。
2
The Lanxi Flax industrial chainextension has enormous resources. But it has been constrained by the external environment.
兰西亚麻产业链延伸具有巨大的资源优势，但却受到外部环境的制约。
3
There existed an optimal dosage of the chain extender, lack of which caused deficiency of chainextension and excess of which led to more blocking reaction.