English translation for "封井器"

boblowout preventer

Similar Words：

"封禁列表" English translation, "封禁林" English translation, "封禁玩家" English translation, "封井" English translation, "封井管" English translation, "封井头" English translation, "封井眼闸板" English translation, "封井作业" English translation, "封局" English translation, "封局续弈日" English translation