shallow climb
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美
- 小角上升
相关词汇
shallow gas
shallow
Shallow-underground-pipe Jacking
shallow-buried neighborhood tunnel
shallow hole temperature-measuring
shallow-water precision echosounder
shallow covered underground tunneling
shallow burying intersectional tunnel
shallow double-linked-arch tunnel
shallow-buried concealed excavation
shallow underground excavation method
shallow burying and surface excavation
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