8楼: Originally posted by 摩羯Elza at 2016-04-06 06:30:04
An improved understanding of decarburization and  factors controlling the overall rate should provide better control of the process and increase the productivity.
谓语：should
主语：understanding， ...

13楼: Originally posted by chshch472 at 2016-04-08 09:34:26
对脱碳机理及控制整体速率的因素的深入认识将使你更好的控制该工艺并提高生产力。
主句：An improved understanding should provide better control and increase the productivity.
factors和 decarburization是 ...