piercer的中文翻譯是什麼意思

Common failure of three - roll piercer in production was studied.

介紹了三輥穿孔機在生產過程中的常見故障和事故.

The armor piercer sends the strength, Is the typical wadding fist sends the strength method.

穿甲彈的發力, 就是典型的綿拳的發力方法的.

The piercing principle of 2 - roll cross - rolling piercer and its application range are discussed.

論述了二輥斜軋錐形輥穿孔機的穿孔原理及其應用範圍.