中英释义：
双语例句
主要用于一般采矿、开凿隧道、筑路修桥、兴建水利等爆破作业。
It is mainly applied to blasting operation of general mining, tunneling, road-building, bridge-construction and building water conservancy projects.
直到1960年左右所能选择的方案只是水上架桥法或水下开凿隧道法.
Up till about 1960 the only alternative was bridging over or tunnelling under the waterway.
重点词汇
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开凿
excavate; dig; cut; bore; tunnel; quarry; carve out
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隧道
tunnel; underpass; subway; tube; burrow; tunneling; chunnel; underground passage