工程建筑相关词汇 — 英语填空题
题目
根据释义写出正确的工程建筑词汇，补全句子：1) Workers dug a ___ through the mountain so trains could pass without climbing the steep slopes. 2) A tall ___ supports the cables that hold up the long span across the river. 3) The new ___ carries water from the reservoir to the dry farmland far away.