- approach to接近;
- approach road引道;引路;
- approach channel引水渠;进港航道;引渠;
- approach angle（工作部件的）碎土角，挺进角;
- span length杆间距离，跨度距离;
- 双语例句
1、
The big bridge both sides approach span often use the small - radius curved beam bridge.
高大的桥梁两端的引桥,往往采用小半径曲线梁桥.
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