Therefore, the appearance of "Cold Form" should be seen as spontaneous and inevitable.
所以，“冷形态”的出现应该是一种自觉，也是必然。
Cold form tapping process is an effective method to enhance fatigue strength of internal thread.
内螺纹冷挤压成形是提高内螺纹疲劳强度的有效方法。
Cold form tapping process is an effective method to enhance fatigue strength of internal thread.
内螺纹冷挤压成形是提高内螺纹疲劳强度的有效方法。
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