呼吸孔的称这个洞。
道路平整、畅通无阻;孔、洞、沟等盖板齐全。
The way is smooth and cover plates of holes and trenches are ready.
盒子的哪个洞孔可以让手电筒的光线正确地照射在小球上?
Which holes on the box allow a torch to shine correctly on the ball?
缝洞孔复合型具有双重孔隙介质的特点,压力恢复曲线具多台阶型。
The third type has double porosity system, and the build-up curve has a stepwise form.
地球上每个缝隙洞孔都有空气。
不管你堵住哪个洞,水会继续从其它的孔中漏出来。
Whichever hole you block, water continues to pour out of the rest.
不管你堵住哪个洞,水会继续从其它的孔中漏出来。
Whichever hole you block, water continues to pour out of the rest.
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