大量使用的

The paper analyzes the causes of seepage of asphalt felt roofage and puts forward the repairing ways on partial damage of waterproof roofage.

传统使用沥青油毡屋面目仍大量存在,由于受自然环境长及其它因素影响,防水层经常发生局部损坏而造成渗漏。

A lot of studies showed that resynthesis of phosphocreatine in muscle can be increased and strength and speed of athletes can be improved through creatine supplementation.

国外大量有关酸文献认为,运动人体使用酸使运动后磷酸酸再合成速度加快,力量和速度增强。

The third of the fencing weapons, the saber, wasintroduced into Europe in the late 18th century as an ad-aptation of the Turkish scimitar, used by the Hungariancavalry.

击剑武器第三种——佩剑——于18世纪末传人欧洲，它是土耳其弯刀，当时为匈牙利骑兵使用。由于这种剑杀伤力非常大，其他国家部队也开始大量使用此种武器。