英语词汇“principal vertical circle”的读音、翻译、释义、用法及例句-开邑网

词汇	principal vertical circle
释义	principal vertical circleprincipal vertical circle1.■天球子午圈
随便看	Hardinge ball mill Hardinge conical mill Hardinge countercurrent classifier Hardinge feeder-weigher Hardinge mill Hardinge thickener Hardinge thickner Hardinge type loop classifier hardinggrass hard insulating material hard intensity hard iron hardish Hardisty's test hardite hard keeper hard label hard labor hard labour hard lac hard lacquer hard lac resin hard laid hard laid wire rope hard-land

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