This expression becomes an exact one for a circular cross - section .

对于圆形的 横截面 这表达式即变为精确表达式.

辞典例句

These tubes are not necessarily of circular cross - section .

这些毛细管不一定具有圆形 断面.

辞典例句

Concrete structure with circular cross section, especially concrete column has wide application in engineering.

圆形截面混凝土结构在工程中应用广泛, 尤其以混凝土柱居多.

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A new kind of NC system for machining shafts with - circular cross - section is proposed in this paper.

提出了一种新型的非圆轴数控加工系统,用于 横截面 为非圆形状的轴类零件加工.

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