These wells are now made with larger diameters than formerly, and altogether their construction has been rendered much more easy in modern times. 佚名.神奇的知识之书.
This circle is of various diameters, sometimes very large. 本杰明·富兰克林.富兰克林自传.
A few typical examples of the latter are given in Figs. 176 and 177, multiplied 1,000 diameters. Edward W. Byrn.十九世纪发明进展.
Whitney’s cotton-gin was made of two cylinders of different diameters, mounted in a strong wooden frame. 鲁伯特·萨金特·荷兰.历史性发明.
The stroke is 42 inches, and the diameters of the cylinders are 34?, 48, and 75 inches, respectively. Edward W. Byrn.十九世纪发明进展.