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sealing up
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sealing up
Encyclopedia
理学
水井钻进作业
释
sealing up
止水
为防止非目的层对目的含水层的干扰和污染,对目的含水层以外的其他含水地层或非含水层进行封闭与隔离的措施。
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Pingchengjing site
Pingcheng Qu
Pingcheng Yizhi
Ping Chong
Pingchuan Qu
Ping Dang
Pingdiao Opera Heritage Centre of Ninghai County
Pingdingshan Museum
Pingdingshan Shi
Pingdingshan Stone City
Pingding wuya drum
Pingding Xian
Pingdong Pingyuan
Pingdu Shi
pinger
Pingfang Qu
ping fen yin yang (the splition of ping tone into yin-ping and yang-ping)
Pingfu Tie by Lu Ji
Pinggui Qu
Pingguo Shi
Pinggu Qu
Pinghe Xian
Pinghua Dialects
Pinghua storytelling in Fuzhou dialect
Pinghua storytelling in Suzhou dialect
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