Rigs and teams are the main objects of safety management in geological exploration units in which almost all safety accidents occur.
钻机班组是地勘单位安全管理的主要对象，地勘单位的安全事故几乎都发生在钻机班组。
Rigs and teams are the main objects of safety management in geological exploration units in which almost all safety accidents occur.
钻机班组是地勘单位安全管理的主要对象，地勘单位的安全事故几乎都发生在钻机班组。
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