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.
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.
倒挂的彩虹，或称“环天顶弧”，所以给它们这些正确的名称，并不是它们是由于下雨所造成的。
Upside down rainbows, or 'circumzenithal arcs', to give them the proper name, are not caused by rain.
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.
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.
一位旅行摄影师拍摄到了壮观的着火了的彩虹奇观，这是罕见的“环天弧顶”现象。
A travel photographer captured this spectacular fire rainbow - a ' circumzenithal arc' - a phenomenon so rare he had to ask other experts what it was.
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.
介绍一种高精度数学晶闸管触发器，它基于锁相环同步，适用于双反星形整流电路，并已成功地应用于晶闸管弧焊电流微机控制系统。
Digital thyristor Trigger of High Accuracy is introduced, which is based on phase locked loop synchronization and suitable for dual antistar rectification circuit.
主要对均压环、弧触头、主触头、喷口等结构进行了优化及分析，分别进行了讨论。并且进行了综合优化。
The structures of the electric field shielding ring, arc contact, main contact and nozzle etc. have been optimized, analysed and discussed respectively, and they are optimized synthetically at last.
熔丝管由内层的消弧管和外层环氧玻璃管组成。
Melting away by the inner tube silk arc tube and outer layer of epoxy glass tube.
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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