- pumpless drilling
- 无泵钻进
English-Chinese geology dictionary (英汉地质大词典). 2013.
pumpless drilling
Look at other dictionaries:
Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… … Wikipedia
