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Terms for subject Electronics containing 导洞 | all forms | in specified order only
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隧道施工的导洞bottom heading method
隧洞施工导洞bottom drift method
中心导洞隧洞掘进centre drift tunnel ling
中心导洞隧洞掘进centre drift tunnelling
勘探导洞exploration tunnel
导洞巷道pilot drift
隧洞的导洞掘进法drift method
导洞pilot tunnel method
隧洞的导洞pioneer bore