A fair use statement regarding the full text of the request

Your requested [一种海洋天然气水合物开采钻进方法和装置] is currently limited to GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences internal sharing.

To solicit author authorization, you need to provide the following information: name, organization, personal e-mail, reason for request. The information you provide will be reviewed and you are committed to the truth of the information provided. The personal information you provide will be protected according to law.