1.
Classes, symbols, twisting characteristic and applied Wire Diameters
级别，代号，扭曲特性及可用之线材直径
2.
Research on Flexible Online Measurement Technology for External Diameter of Large-diameter Bar
大直径棒材外径在线柔性测量技术研究
3.
Wire: usually produced from hot-roiled rod by drawing; smaller than 4mm in diameter usually with a round section.
线材--一般用热轧细棒材拔拉而成，:直径小于4mm，横断面一般为圆形。
4.
Thickness or diameter, as of sheet metal or wire.
直径，厚度金属板的厚度或线的直径
5.
conjugate diameters of a conic
二次曲线的共轭直径
6.
The axis of a circle is its diameter.
圆的轴线是其直径.
7.
base diameter of involute helicoid worm
渐开线蜗杆基圆直径
8.
three-diameter ells with tangents
带切线直管段的三倍直径弯头
9.
One complete length of a straight course, as of a swimming pool.
直线的路径一段完整的直线距离，如游泳池
10.
Characteristics of Small Hole Grinding for Hard and Brittle Materials;
硬脆材料小直径内圆磨削特性的研究
11.
The Research of Chipping Energy of Usual Small Timbers or Shrubberies from North China
北方常见直燃用小径材切削功耗研究
12.
Rod: round sections smaller than round bars, up to about 10mm in diameter.
细棒材--横断面为圆形，比圆棒材小，最大直径约l0mm。
13.
Study on Curve Radius Standard for Linear Metro
直线电机轮轨交通线路最小平曲线半径研究
14.
Influential Rules about the Cooling Pipe′s Diameter on the Cooling Effect of Large-Diameter Bars
冷却器管道直径对大直径棒材冷却效果的影响规律
15.
The mission took the direct route by air to the boundary.
代表团搭飞机走直线的路径到边界。
16.
The linear speed of ratio of a pulley is in proportion to its diameter.
滑轮的线速度比率与它的直径成正比。
17.
straight ray path tomographic inversion
直射线路径层析成象反演
18.
He drove straight by sighting along the center line.
他注视着中央线，驾车径直向前驶去。