| 释义 |
1. | 行动线 电子电气词汇... ... line of sight distance 视线距离 line of travel 行动线 line of vector 向量线(如磁感应线，流线等) ... www.eefocus.com | 2. | | 3. | 楼梯行走线 开放式走廊及楼... ... ) open Bridge house 开放式桥楼 ) line of travel 楼梯行走线 ) She descended the stairs. 她走下楼梯. ... www.dictall.com |
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