automatic head changer 自动更换轴箱装置
LED Eight Head Color Changer 八头洗墙灯
tap changer head 开关键
automatic head light beam changer 大灯远近光自动开关
The result is nothing short of a "game-changer” for data access at the World Bank, says Neil Fantom, head of the World Bank's open data initiative.
世行公开数据实施组组长Neil Fantom说，对于获取世行数据而言，上述结果可以说是因“游戏规则改变”而取得的。
The production line adopts high efficiency extruder, swift net changer and screw plastic blowing head.
生产线采用高效挤出机，快速换网，螺旋吹塑机头。
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