| 1. | A trapezoid is a quadrilateral with two parallel sides .
梯形是具有两平行边的四边形。 |
| 2. | The area of a trapezoid is equal to the product of its altitude and half the sum of its bases .
梯形的面积等于其高与其两底和的一半的乘积。 |
| 3. | Tearing strength of fabrics by the trapezoid method
织物梯形法撕破强力试验方法 |
| 4. | Compound trapezoid formula and its application
复化梯形公式及其应用 |
| 5. | Standard test method for trapezoid tearing strength of leather
皮革梯形撕裂强度的标准试验方法 |
| 6. | Standard test method for trapezoid tearing strength of geotextiles
土工布梯形法撕破强力试验方法 |
| 7. | Resonant characteristics of a trapezoid meander line monopole antenna
梯形弯折线单极子天线的谐振特性 |
| 8. | Trapezoid corrugated plate seperater
梯形波形板分离器顶帽 |
| 9. | Standard test method for trapezoid tearing strength of geotextiles
土工织物的梯形抗扯裂强度的标准试验方法 |
| 10. | Trapezoid back very ram extension , manufacturing processes facilitate ; 2
1 .梯形爪极冲压引伸，制造加工方便 |
