采用氩弧局部强化可提高环槽的硬度和高温耐磨性。
Application of argon arc local strengthen can increase hardness and high-temperature wear resistance of the ring groove.
太行山造山带被大多数学者称为构造岩浆带，被认为是中生代环太平洋岩浆弧的组成部分。
Taihangshan orogen, called tectonomagmatic belt by most of geologists, is thought to be a part of Mesozoic circum Pacific magmatic arc.
利用微弧氧化技术对ZL 108铝合金活塞第一道环槽进行了陶瓷化处理。
The ceramic treatment for the first ring groove of ZL108aluminum alloy piston was conducted with micro-arc oxidation technique.
本文介绍了液化石油气钢瓶环缝锁底接头、两道埋弧焊工艺。
Two passes ASAW technology for girth weld of LPG cylinder with lock butt joint is introduced.
逆冲型地震主要发生在环太平洋地震带上，在喜马拉雅碰撞边界和巽他弧也有发生。
The thrust earthquakes are mainly distributed on the circum-pacific seismic belt, the Himalaya collision boundary and the Sunda arc.
一种圆盘状环弧规整塔填料属于化学工程单元操作过程的填料塔中的规整填料。
The present invention relates to a disk-like ring-arc regular tower packing, belonging to a regular packing of packed tower of chemical engineering unit operation process.
一种圆盘状环弧规整塔填料属于化学工程单元操作过程的填料塔中的规整填料。
The present invention relates to a disk-like ring-arc regular tower packing, belonging to a regular packing of packed tower of chemical engineering unit operation process.
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