thury thread造句

例句与造句

1. The design was first proposed by the British Association in 1884 with a thread angle and depth based on the Swiss Thury thread, it was adopted by the Association in 1903.
2. As a precision or scientific thread, the L鰓enherz form was rivaled by two contemporary forms : Swiss-designed Thury thread and its derivative the DIN 13 standard for metric screws.
3. The Thury thread was different in that it went both positive and negative all the way up to a size of-20 which was 75.2mm diameter by 8.23mm pitch.
4. The Thury thread form had the crests rounded at 1 / 6p and the roots rounded at 1 / 5p so the thread angle was close to 47.5 degrees but not exactly.
5. The L鰓enherz thread form is unique in having a thread pitch angle of 53?82 ( 53.1333?), which is a smaller angle than the ISO metric thread form but a larger angle than the Thury thread form.
6. It's difficult to find thury thread in a sentence. 用thury thread造句挺难的