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| 同心度，性，环纹 | |||
| 同中心; 同心环纹 | |||
| 同心性; 同心度 (A derivation of the Mannesmann tube-process has been developed, using a piercer with three rolls, which has greater accuracy and concentricity. 曼内斯曼制管法的进一步发展，开始使用三辊穿孔机，它具有更高的加工精度和同心度。) | |||
| 同心性; 集中性 | |||
| 同心度 | |||
| 同心性 (concentricitas) | |||
| 集中; 同中心 | |||
| 同轴度; 同心 | |||
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concentricity : 22 do fraz, 13 tematyki |