-
It's an honor to us that you have come to visit our drill site.
你们来参观我们的井场，我们甚为荣幸。
youdao
-
Site investigation drill and placer exploration drill have much in common.
工程勘察钻机和砂矿钻机之间具有许多共同之处。
youdao
-
Site investigation drill and placer exploration drill have much in common.
工程勘察钻机和砂矿钻机之间具有许多共同之处。
youdao