万佛寳忏已经过去差不多三个星期了。
It has almost been 3 weeks after the ten thousand Buddhas repentance.
又有多少人知道有万佛忏呢？
通过这根高压管线，泥浆被泵入立管和钻忏杆。
Through this high pressure line, mud is pumped in to the standpipe and drill pipe.
通过这根高压管线，泥浆被泵入立管和钻忏杆。
Through this high pressure line, mud is pumped in to the standpipe and drill pipe.
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