通信工程的英文为Telecommunications engineering, or telecom engineering。telecommunications 英[ˌtelik...
Many parents are a little ___50___ as to how to play with their children, especially as those children get older, and you will soon see that if you have...
国际标准化组织ISO8124-1:2000玩具安全-第1部分:机械和物理性能相关的安全要求ISO8124-2:1994玩具安全-第2部分:阻燃测试ISO8124-3:1997玩具安全-第3部分:...
“CE”标志是一种安全认证标志,被视为制造商打开并进入欧洲市场的护照。CE代表欧洲统一(CONFORMITE EUROPEENNE)...
John Hayes,Sets 31,350 Ton World Record Static Load Test,Construction Industry News and Articles,Great possibilities.net,7 Dec.2005 Osterberg Cell ...
EN71-1:物理机械性能(测试对象:整机)EN71-2:易燃性(测试对象:整机)EN71-3:总铅+19大重金属A(测试对象:表...
还适用于电器结构装置(Electric Construction Sets), 电器功能玩具(Electric Functional Toys), 或电气实验装置(Experimental Sets) EN 50088/EN 62115 主...
译文:所有这些被认为是重量轻,产品必须在合适的零售包装/包装内提出,并在合适的overboxed规模邮购漏动箱,必须纯棕色和双壁波纹板结构,它必须通过他7点跌落试...
3、Importance Analysis of Safety Impact Factors in Water Conservancy and Hydropower Engineering Construction...
During the period of Wu Yue, the most prominent achievement was the art of sculpture in Hangzhou cultural co...
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