短語(yǔ)詞組短語(yǔ)burial l depth 埋藏深度maximum burial depth 最大埋深shallow burial depth 埋藏淺burial depth of tunnel 隧洞埋深burial depth changes 埋深變化coal bed burial depth 煤層埋深Tunnel Burial Depth 隧道埋深its burial depth changes 埋深變化sand burial depth 沙埋深度 返回 burial depth