...与詹姆斯,科比和詹姆斯,科比帽詹姆斯,科比詹姆斯撞衫,科比和詹姆斯撞衫,科比对詹姆斯,-勒布朗詹姆斯5代(LBJ5)和科比3代(ZK3)的奥运配色版本什么时候出来啊?
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At present, our country ZK4 type of DiaoCheChang hump use electric curtilage turn ZK3 type point machine is the replacement of the turning point machine.
目前,我国驼峰调车场使用的ZK 4型电宅转辙机是ZK3型转辙机的换代产品。
To solve the ZK3 type turn point machine mechanical jam problem, ZK4 type point machine adopts magnetic lock turn instead of the ZK3 type valve pressure before valves.
为解决ZK 3型转辙机的机械卡阻问题,ZK4型转辙机采用电磁锁闭阀代替了ZK3型的气压锁闭阀。
ZK3-6/250 single stage drive electrical locomotive adopts step speed adjustment with the characteristics of easy operation, simple structure, reliable running and easy maintenance etc.
ZK3-6/250单级传动电机车采用有级调速,其特点为操作简单方便、结构简单、运行可靠、维护方便等。
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