Butt we're not done yet. In the weeks and months ahead, we'll release a second round of fuel efficiency standards for heavy-duty vehicles.
但是我们还没有完成。在未来几周和几个月，我们将发布一个第二轮重型车辆的燃油效率标准。
Studied the joint structure and properties of flash butt welding to mining chains round made of new type meta-bainite steel.
研究了新型准贝氏体钢制造的矿用圆环链闪光对焊焊缝的组织与性能。
The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes.
采取有弧度的圆形镶块，以对接接头的形式堵补部分管孔，将其移位到管道上的合适位置。
The round plates with arc shaped butt-welded joints were used for stopping sone tube holes which were moved away to another proper positions in the pipes.
采取有弧度的圆形镶块，以对接接头的形式堵补部分管孔，将其移位到管道上的合适位置。
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