这种结实的高强度塑料盒子在水下100英尺以内是防水的。The durable high-impact plastic case is water resistant to 100 feet.当地渔民的渔网老是被水下的东西钩住。Local fishermen's nets kept snagging on underwater objects.试着潜入水下找寻沉没的财宝。Try diving for sunken treasur...
本文介绍了羟乙基纤维素的一般性质, 应用和生产方法.The general properties, application and manufacturing methods of HEC were introduced.研究了高取代度羟乙基纤维素 ( H-HEC ) 的精制工艺.The refining process of high - substitution hydroxyethyl cellulose ( H - HEC ) ...
a course on developing presentational skills展示技巧训练课程Further to your letter, I agree that there are some presentational problems, politically speaking.正如贵方信中所提到的，我也认为从政治角度来说，有一些词语表意上的问题。In a 4 th study, authors investigat...