A new environmentally effective thread compound was introduced.
介绍一种新型绿色高效的螺纹脂组成及性能。
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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