These results are helpful for developing new non - toxic antifouling paints.这些结果为研发新型无毒低表面能防污涂料提供了实验和科学依据.Tin free , polishing antifouling composition with cuprous oxide.含氧化亚铜的无锡自抛光防污涂料.Without using lacquer, they still ...
Without using lacquer, they still have excellent feeling and antifouling effect.不上油漆但拥有出色的手感和防污效果.设计新颖实用,造型简洁美观.These results are helpful for developing new non - toxic antifouling paints.这些结果为研发新型无毒低表面能防污涂料提供了实验和科学依据.A ...
The trade deficit is the flip side of a rapidly expanding economy.贸易赤字是经济快速发展带来的负面产物。The economy is expanding, notching up high growth rates.经济在发展，实现了高增长率。The company has been expanding its customer base using trade maga...
Objective: To summarize the experience of treatment for mediastinal emphysema ( ME ) and analyse the etiopathology.目的: 探讨纵隔气肿的发病机理,总结其治疗经验.AimTo summarize the experience of surgical treatment of pneumomediastinum and to ...
在撞击过程中, 动量的变化是突然的,但非瞬时的.In a crash, momentum changes abruptly but not instantaneously.有时,在局部速度中可能出现瞬时脉动.Sometimes temporal fluctuation may take place inthe local velocity.它表示寻常光波前和非常光波前的瞬时轨迹.It represents the instantaneo...