以下是包含"ballasteffect69.blogspot.com/"的结果
13页发布时间:2015年1月15日
6页发布时间:2015年9月20日
Rectifying effect will appear in most HID lamps at the end of their lives.This will lead to overload in the ballast and other relative components.Therefore,proper methods should be t...
Abstract Ballast tank sediments host organisms that pose invasion risk even if the ships... 客服邮箱:service@x-mol.com 官方微信:X-molTeam2 邮编:100098 地址:北京市海淀区...
were used to estimate the cooling effect of ballast revetment on the roadbed. The results show that both riprap rock ballast revetment and crushed stone ballast revetment can redu...
HAN Limin;SHEN Yupeng;YUAN Sicheng;ZHANG Luxin. Study on Cooling Effect of Ballast Embankment of Qinghai-Tibet Railway in Wudaoliang Area. Journal of Beijing Jiaotong...