square frame of magnetic needle的意思|示意
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英 / /
方框磁针
square frame of magnetic needle的网络常见释义
方框罗针 ... square-edged orifice plate,直角边缘孔板 square frame of magnetic needle,方框罗针 square profile gaege,矩形压力表 ...
直角边缘孔板 ... 直角边缘 square bevel; square edge 直角边缘孔板 square frame of magnetic needle; square-edged orifice plate 三角形的直角边 leg ...