1) Cylindrical duct
圆柱通道
2) cylindrical passage
圆柱形通道
1.
The experiment has proved that mucilage at the extrude die with conicylindricalpassage is better than that with cylindrical passage in extruding condition and production.
由实验证明胶丝挤出口模圆锥形通道比圆柱形通道能改善挤出条件，提高挤出质量。
3) cylinder strobe
圆柱选通
4) Thermal column channel
热柱通道
5) cylindricat table
圆柱形辊道
6) the way emphasizing perfect
道尚圆通
补充资料：55°圆柱管螺纹的型式和尺寸
| 螺纹代号 | 基本尺寸 | 大径 mm d=D | 螺距 mm p | 每英寸牙数 tpi | 中径 mm d2=D2 | 小径 外螺纹 d3 | 牙型高度 H1 | 底孔尺寸 mm | |
| G 1/8 | 1/8＂ | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 8.7 | |
| G 1/4 | 1/4＂ | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 11.6 | |
| G 3/8 | 3/8＂ | 16.662 | 1.337 | 19 | 15.806 | 14.95 | 0.856 | 15 | |
| G 1/2 | 1/2＂ | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 19 | |
| G 5/8 | 5/8＂ | 22.911 | 1.814 | 14 | 21.749 | 20.587 | 1.162 | 20.75 | |
| G 3/4 | 3/4＂ | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 24.5 | |
| G 7/8 | 7/8＂ | 30.201 | 1.814 | 14 | 29.039 | 27.877 | 1.162 | 28 | |
| G 1 | 1＂ | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 30.5 | |
| G 1 1/8 | 1 1/8＂ | 37.897 | 2.309 | 11 | 36.418 | 34.939 | 1.479 | 35 | |
| G 1 1/4 | 1 1/4＂ | 41.91 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 39.5 | |
| G 1 3/8 | 1 3/8＂ | 44.323 | 2.309 | 11 | 42.844 | 41.365 | 1.479 | 41.5 | |
| G 1 1/2 | 1 1/2＂ | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 45 | |
| G 1 3/4 | 1 3/4＂ | 53.746 | 2.309 | 11 | 52.267 | 50.788 | 1.479 | 51 | |
| G 2 | 2＂ | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 57 | |
| G 2 1/4 | 2 1/4＂ | 65.71 | 2.309 | 11 | 64.231 | 62.752 | 1.479 | 63 | |
| G 2 1/2 | 2 1/2＂ | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 72.5 | |
| G 2 3/4 | 2 3/4＂ | 81.534 | 2.309 | 11 | 80.055 | 78.576 | 1.479 | 79 | |
| G 3 | 3＂ | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 85.5 | |
| G 3 1/4 | 3 1/4＂ | 93.98 | 2.309 | 11 | 92.501 | 91.022 | 1.479 | 91 | |
| G 3 1/2 | 3 1/2＂ | 100.33 | 2.309 | 11 | 98.351 | 97.372 | 1.479 | 97.75 | |
| G 3 3/4 | 3 3/4＂ | 106.68 | 2.309 | 11 | 105.201 | 103.722 | 1.479 | 104 | |
| G 4 | 4＂ | 113.03 | 2.309 | 11 | 111.55 | 110.072 | 1.479 | 110.5 | |
| G 4 1/2 | 4 1/2＂ | 125.73 | 2.309 | 11 | 124.251 | 122.772 | 1.479 | 123 | |
| G 5 | 5＂ | 138.43 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 136 | |
| G 5 1/2 | 5 1/2＂ | 151.13 | 2.309 | 11 | 149.651 | 148.172 | 1.479 | 148.5 | |
| G 6 | 6＂ | 163.83 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 161.5 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条