Exposed iron will gradually rust away to powder.放在露天的铁会逐渐锈成粉末.If iron is left exposed to damp air, it will rust away to powder.如果铁暴露于潮湿空气之下就会慢慢生锈腐蚀成碎末的.Unemployment has soared as the hulks of fishing boats rust away on t...
防止水泥搅拌器内硬结的方法有好几种.There are several ways to avoid setting up in the cement mixer.结论早期乙醇溶液湿敷能有效减少百白破疫苗接种所致局部红肿硬结的发生,减轻反应强度.Conclusion Early alcohol wet packing can effectively decrease the occurrence and the severity of a...