... 回送检验 echo checking 回采水平 extracting level ;working floor 回采率 coefficient of recovery ...
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derrick working floor 井架工作台 ; 井架工作以中
Floor Procedures Working Group 市场委员会工作组
working face floor 工作面底板
We were working on the eleventh floor.
我们在第11层工作。
Going up one more floor, visitors can see a working beehive, live snakes, stuffed fish and birds, and many other displays of Kansas plants and animals.
再往上一层,游客可以看到一个工作的蜂箱,活蛇,填饱了的鱼和鸟,还有许多堪萨斯州的植物和动物。
It's not possible to go upstairs at present as builders are working there adding another floor, but the rest's well worth seeing.
目前是不可能上楼的,因为建筑工人正在那里加建另一层楼,但其余的都值得一看。
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