conical washer nuts 中文意思是什麼
conical washer nuts
解釋
盤形華司螺帽-
Hexagon nuts with conical spring washer. product grade a
帶錐形盤簧墊圈的六角螺帽.級 -
Prevailing torque type hexagon nuts non - metallic insert with conical spring tightening washer. product grade a
帶錐形盤簧密封墊圈的常用力矩形六角螺母非金屬鑲嵌件.級產品
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