English translation for "falling-in of a mine"

矿井冒顶

Similar Words：

"falling-film molecular still" English translation, "falling-film still" English translation, "falling-film tubular absorber" English translation, "falling-film tutbular absorber" English translation, "falling-in" English translation, "falling-in of bank" English translation, "falling-into step" English translation, "falling-off" English translation, "falling-off in grade" English translation, "falling-out" English translation