问题
名词解释
道岔主线 main line of turnout
答案
参考答案：
指单开道岔或三开道岔中的直线或其他道岔中主要方向的线路。
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道岔主线 main line of turnout
参考答案：
指单开道岔或三开道岔中的直线或其他道岔中主要方向的线路。
| 短语填空。 | |
2. The child ________ the back of the chair to stop himself from falling. 3. The cashiers were asked to ________ forged banknotes. 4. Mr.Smith is not at his office. He has gone to the airport to ________ his friend ________. 5. They would love to have kids, but ________, they don't want to give up their freedom. 6. The policeman ________ the motorist and asked to see his license. 7. Now many people prefer traveling ________, because it is much quicker. 8. The mountain climbers ________ a thunderstorm and couldn't get back to their camping site. |