| 1. | The towers are 170 ft above the caisson . 沉井以上的塔柱高度为170英尺。 |
| 2. | The cap rock over grand salme is only 28 ft thick . 大萨林盐丘的冠岩厚度只有28英尺。 |
| 3. | The present relief of more than 1000 ft was due to excavation . 现在的地形起伏超过1000是削蚀作用造成的。 |
| 4. | The present relief of more than 1000 ft was due to excavation . 现在的地形起伏超过1000是削蚀的作用造成的。 |
| 5. | The bridge has a 100 ft vertical clearance over the river in the canyon . 桥梁在深谷水面以上的垂直净空为100英尺。 |
| 6. | The tuffaceous formation, isolated remnants, are about 200-250 ft thick . 凝灰岩构造的局部残存段的厚度约为200-250。 |
| 7. | The experiments were conducted in a wind tunnel at a location 50 ft downwind from the fan . 实验是在风洞中距离风机50英尺处进行。 |
| 8. | A major vertical fault scarp formed during the earthquake was less than 1000 ft from the spillway . 地震时形成的一个主要的垂直断层崖,离溢洪道不到1000英尺。 |
| 9. | In cross section the total deck width is 1158 ft with the torsionally rigid spine box girder having a width of 39 ft 4 in . 横断面上,桥面总宽1158英尺,其中具有抗扭刚度的脊骨箱梁宽39英尺4英寸。 |