难溶解的 meaning in English

indissolvable

Graphite and even its linear counterpart, poly(p-phenylene) are too insoluble .
石墨甚至其线性类似物，聚（名聚-苯撑）都是极难溶解的。
Abstract : a solution and conveying equipment for dissolve organic polymer flocculants was designed in the light of the deficiencies of easily absorbing moisture and dissolution difficulty of an organic polymer flocculant with excellent flocculability . it is simple , practical , and easy to popularize to operation process in sewage treatment
文摘:针对具有高效絮凝性能的有机高分子絮凝剂存在易吸潮、难溶解的不足，设计了一种高分子有机絮凝剂的溶解输送装置，该装置简单实用，易于在污水处理生产中推广应用。