parallel-hole blasting 平行孔掏槽爆破
parallel-hole cut 平行炮孔掏槽
parallel hole cut 平行孔钻进
parallel hole drilling 平行孔钻进
vertical parallel hole 垂直平行孔
parallel hole collimator 平行孔型准直器
parallel hole resolution phantom 释义平行孔隙分辨力体模
But now I'm going to drill a hole here, and I have here an axis l prime which is parallel to that one.
我在这里钻个洞，这是轴l撇,和那条平行。
Once you have made the Dakota fire hole you can easily set up a cooking surface for pots and pans by laying several parallel green sticks across the fire pit as show in the picture.
一旦火坑挖好，你可以在达科他火坑的基础上做很多改进，比如在火坑上方用绿枝搭建烤架，也可以坑边上堆一些石块，做成可以放锅的简易炉灶。
Now there is a parallel black hole dream over Iraq.
而现在，在伊拉克出现了一个类似的黑洞梦想。
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