Adding proper amount of spandex makes clothes more flexible! By the fashion of young people!
加入适量氨纶使得衣服更加有弹性！深受时尚青年欢迎！
The test results shown that it evidently raises the discharge performance of the fuel cells by adding proper amount of new electrode additives of cationic polyelectrolyte.
实验结果表明在电极中加入适量的新型电极添加剂可显著地提高燃料电池的放电性能。
High quality waterproof putty is prepared by adding proper amount of organic modification material into cement based putty and influence of constituents on its performance is studied.
通过在水泥基腻子中添加适量的有机改性材料制备高质量耐水腻子，并研究组成材料对其性能的影响。
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