)UNC：粗牙系列(Coarse-Thread Series)；UNF：细牙系列(Fine-Thread Series)；UNEF：超细牙系列(Extra-Fine-Thread Series)；UNS：特殊螺距系列(Selected Combinations和 Other Threads of Special Diamete...
基于32个网页-相关网页
Extra-Fine-Thread Series 超细牙系列
fine thread series 细螺纹级
american national fine thread series 美国国家细螺纹系列
extra fine thread series 特细螺纹级
unified fine thread series 统一的标准细牙螺纹系列
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