undergroundtunnel
英['ʌndəɡraʊndtʌnəl]
美['ʌndəɡraʊndtʌnəl]
- 地下隧道
相关词汇
underground air
underground
underground explosive blasting
underground stimulating device
underground orientation survey
underground height measurement
underground commercial streets
underground space exploitation
underground air-conditioning
underground steel gas pipeline
Underground in -situ crusher
underground diesel engine room
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