“这是一件很有价值的东西，”斯克林杰注视着罗恩说，“甚至可能是独一无二的。”
"That is a valuable object," said Scrimgeour, watching Ron. "It may even be unique."
桥上旭普林无砟轨道机械施工的重点是混凝土道床板的施工技术。
The key point for its mechanical construction is construction technology of concrete track beds.
桥上旭普林无砟轨道机械施工的重点是混凝土道床板的施工技术。
The key point for its mechanical construction is construction technology of concrete track beds.
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