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Project Acronym: CCSDP | State: Completed | Expedition ID: 5004

ins.: 2022-09-30 17:41, 3 yrs ago
By: sql
Category: Donghai_
Donghai_

CCSDP/Donghai: 2003-10-18

Some drilling experts will come to CCSD. They will discuss how to solve the problem of fish in borehole.
The chief engineer Zhang Wei was explaining the diamond bit to visitors.

Some drilling experts will come to CCSD. They will discuss how to solve the problem of fish in borehole.