The white fur of the polar bear is a natural camouflage.北极熊身上的白色的浓密软毛是一种天然的伪装.The Arctic remains the domain of the polar bear.北极仍是北极熊的领地.A polar bear has a preference for cold weather.北极熊喜欢寒冷的天气....
They offer tips on topics such as home safety.他们就家居安全等问题提供建议。The built-in safety device compensates for a fall in water pressure.该内置式安全装置在水压下降时能提供保护。The five survivors eventually reached safety, ragged, half-starved and ...
The current transformer is fully enclosed and busbar structure.本型电流互感器为母线式.Busbar load characteristic parameters play avery important role in voltage stability analysis.母线负荷特性在电压稳定性分析中有着重要的作用.Distributed busbar protectio...
This page will explain how routers are used to segment a LAN .这一页将解释路由器如何在区域网路分割区段。Thank you for the book you sent me through Hu Lan.谢谢你请胡兰转寄给我的书.Li Lan seldom goes out by herself.李兰很少自己单独出门....