您要查找的是不是：
- Secondary protection shall be a pin expulsion type element complete with mechanically operated limit switch. 我想应该是：二级保护是一个连同机械的可操控限极开关的安全针排气类型的元件。
- Common pressure-relief devices are a pressure-relief valve for primary protection and a rupture disc for secondary protection. 常用的减压装置是一个作为主要保护的减压阀和一个作为二级保护的破裂盘。
- Within the context of EIB systems, the measures taken are often called primary and secondary protective measures. 根据EIB系统内部结构而产生的不同避雷方法通常被称为初级和次级保护措施。
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。
- Her age is of secondary interest. 她的年龄不太重要。
- The young in our society need careand protection. 我们社会的年轻人需要受到关怀和爱护。
- In secondary school, children get more advanced knowledge. 在中学，孩子获得更深一些的知识。
- He was paying out half his profits as protection. 他把所得利润的一半交给歹徒作为保护费。
- A secondary matter; a side issue. 次要的第二位的事; 较次要的问题
- They lobbied on the environmental protection issue. 他们就环境保护问题在议员中进行了游说。
- A thin jacket is a poor protection against cold. 一件单薄的夹克衫不足以御寒。
- The settlers banded together for protection. 移民联合起来保护自己。
- A secondary mine passageway between two main shafts or tunnels. 次要矿山甬道矿井中连接两条大隧道的小巷道
- He's devoted his whole life to the protection of the rare animals. 他终生献身于珍稀动物的保护。
- A thin coat gives little protection against the cold. 一件薄上衣没有什么御寒作用。
- The government introduced universal secondary education years ago. 几年前，政府就倡导普及中等教育。
- Our aim is that all children complete secondary education. 我们的宗旨是让所有孩子完成中等教育。
- Many older people still believe that women's careers are secondary. 许多年岁大一点的人仍然认为妇女的职业生涯并不那么重要。
- All other considerations are secondary to his safety. 现在首先要考虑的是他的安全，其他事都是次要的。
