shallow climb的相關(guān)資料：
臨近單詞
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
