Wire line flexible pumping rod is a coiled rod with sealing wire line.
钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
The new developing carbon fiber compound flexible coiled rod overcome the shortcoming of ordinary steel rod, can meet the need of low permeability oilfield production.
新开发研制的碳纤维复合柔性连续抽油杆克服了普通钢杆的缺点，能够满足低渗油田小泵深抽技术的要求。
He looked down to relieve the pain of his neck, and stared at the rusty chain at his feet, which coiled around a metal rod.
他低下了头来缓解脖子的疼痛，眼睛停留在脚下生锈的铁链上，那铁链绕在一根金属杆上。
He looked down, to relieve his neck, and stared at the rusty chain at his feet, coiled around the metal rod that connected the cycle to the cart.
他低下了头，来缓解脖子的疼痛，眼睛停留在脚下生锈的铁链上，那铁链绕在连接自行车和拖车的金属杆周围。
The rod is coiled by means of centrifugal (laying head).
绕杆方式为离心甩头式。
The rod is coiled by means of centrifugal (laying head).
绕杆方式为离心甩头式。
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