... 刮针 needle scratching 刮针 needle scratching 针感 needle sensation ...
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短语
上下活动式井壁刮针
recipro wall cleaner
针刮样板
scratch template
刮顶针批锋
removing burrs round pads of ejector pin
afm探针刮擦
afm tip scratching
耐刮和盐水针孔仪
Abrasion-resistant salt water pin-hole detector
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