- 1. free long distance: 免费的长途电话
... free working distance 自由工作距 free long distance 免费的长途电话 prop-free front distance 无支柱距 ...
dict.youdao.com - 2. Free long distance telephone service: 免费长途电话拨打处
dict.youdao.com - 3. pollution-free long-distance deliver: 远距离无污染输送
dict.youdao.com - 4. Long distance free flow pipeline: 长距离重力流管道
dict.youdao.com