The quick latch jack can be widely used in the coring operation in the oil and gas drilling engineering.

本实用新型可广泛用于石油、天然气钻井工程取岩心作业中。

youdao

The quick latch jack can be widely used in the coring operation in the oil and gas drilling engineering.

本实用新型可广泛用于石油、天然气钻井工程取岩心作业中。

youdao