DictionaryForumContacts

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to phrases
span line
tech. 架空线 (路); 高架线
telecom. 跨线; 跨局线; 传输段
telecom., amer. T1 系统传输段由若干中继段组成
span pipe line
oil 悬跨管线
span line: 4 phrases in 2 subjects
Aviation1
Technology3