They come in a wide variety ofdiameters and heights and architectural styles.
他们进来各种各样的直径和高度和建筑风格不同的原料。
2
Bars of different sizes may be bundled provided that the ratio ofdiameters does not exceed 1, 7.
不同规模的钢筋，可提供捆绑的直径比例不超过1.7。
3
By analysing the distribution ofdiametersof the pores, specific surfaces and fractal behaviors in samples, the characters and mechanisms of pores growing are discussed.