油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.
油井井底碎屑和小件落物的打捞一直沿用强磁打捞器和循环打捞篮。
The fishing magnet and recycle fishing basket have always been used for fishing the ch ips and sm all junks in the oilwell bottom.
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