英语语法分析

The fluid type of sodium lignosulphonate coating is yielding pseudoplastic fluid.

木钠涂料的流体类型为屈服假塑性流体。

The SRA has better effect than lignosulphonate calcium as the forming retarded time is longer.

在延迟成型时间较长时，SRA起到的缓凝作用比木钙更明显。

The invention discloses a water shutoff agent for oil extraction, which is prepared by mixing epoxy resins, polyethylene ammonia, calcium lignosulphonate, calcium chloride and water.

本发明公开了一种采油用堵水剂，由环氧树脂、聚乙烯聚氨、木质素磺酸钙、氯化钙、水混合组成。