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来源:雅诚德英语网
Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.
绷绳作为作业井架的特殊支承构件,其工作特性对作业井架的力学行为有较大影响。
Derrick guy wire as the special supporting member of downhole derricks, its performance has much impact on the mechanical behavior of derricks.
绷绳作为作业井架的特殊支承构件,其工作特性对作业井架的力学行为有较大影响。