-
From desert regions sand was blown in to cover the fields.
从沙漠地区刮来的沙子把田地都盖上了。
youdao
-
It is difficult for mined tunnel with shallow cover to cross water-rich sand stratum.
穿越富水砂层一直是浅埋暗挖隧道的难点。
youdao
-
It is difficult for mined tunnel with shallow cover to cross water-rich sand stratum.
穿越富水砂层一直是浅埋暗挖隧道的难点。
youdao