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- Protective earthing specification of concrete vess. 水泥船安全接地技术条件。
- Papua New Guinea Proposes Paying Poor Nations to Save Trees, Protect Earth's Atmosphere. 巴布亚新几内亚建议:富裕国家付钱给穷国,拯救那里的森林,保护地球大气。
- Why protective earth connection and zero connection can't be mixed up? 保护接地和保护接零为什么不能混用?
- Implementation way of system earthing and protective earthing of transformer are suggested. 提出了作者认为变压器的保护接地、工作接地应该的做法。
- Holmes Rolston is considered a leading voice for protecting Earth's environment as a religious duty. 福尔摩斯?罗斯尔顿被认为是把保护地球环境作为宗教职责的先锋。
- This article analyzes the selection forms of protection earthed system of low Pressure switch of civil buildings,and studied construction request of guard Wire(PE) earthed system. 分析民用建筑低压配电保护接地系统的选用型式,浅论了系统的保护线(PE)接地装置施工要求。
- Is the magnetic field that protects Earth from deady radiation about to reverse direction of even disappear? 保护地球免遭死亡辐射的磁场转向曾经消失过的方向?
- The hole in the ozone layer,which protects Earth from the Sun's ultraviolet rays,was first detected nearly 30 years ago. 人们是在约30年前发现这个臭氧层空洞的,其作用主要是保护我们不直接受到太阳的紫外线辐射。
- In connection with the construction of lightning protective earthing system in residential area, the application of non-metal earthing module was introduced and the experience learned in practice was summarized as well. 摘要结合居民小区防雷接地系统工程建设,介绍了非金属接地模块在工程中的应用,总结了实际经验。
- It was the ice shields that much like a terrarium that retained earth's warmth,and also protected earth from radiation so prevalent in your universe. 冰盖曾像一个玻璃容器,维系了地球的暖和温度,并保护地球免于遭受你们宇宙中如此普遍的放射线。
- She subscribes to an animal protection society. 她捐款给一个动物保护协会。
- The hole in the ozone layer, which protects Earth from the Sun's ultraviolet rays, was first detected nearly 30 years ago. 人们是在约30年前发现这个臭氧层空洞的。而臭氧层的作用主要是保护我们不直接受到太阳的紫外线辐射。
- We subscribe to an animal protection society. 我们定期捐款给一个动物保护基金会。
- 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。
- 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。
- 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。
- Protective earthing and electric safety 浅谈接地与电气安全问题
- The settlers banded together for protection. 移民联合起来保护自己。
- A basic misunderstanding skews the entire climate debate.Experts on both sides claim that protecting Earth's climate will force a trade-off between the environment and the economy. 一个基本的误解扭曲了整个关于气候的辩论:双方的专家都宣称保护地球气候会迫使我们牺牲经济。