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背隙弹簧
meaning in English
back-lash spring
Related Words
通风隙
活塞环隙
加速隙
棒隙
公隙
断隙
胀隙
光隙
地裂隙
洞隙
背隙(齿轮,螺纹),空档
背隙;始裂
背隙角
背隙窿线
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