Using a ball end mill to form part of the combustion chamber.
用球头铣刀的组成部分燃烧室。
The cylindrical end mill with ball-nose is one kind of highly efficient cutting tool.
圆柱形球头立铣刀是一种高效刀具。
Wet mill end cover is installed on the exhaust valve.
湿磨机端盖上安装放气阀。
Wet mill end cover is installed on the exhaust valve.
湿磨机端盖上安装放气阀。
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