The company has advanced technology, in particular, a two-way protection against eccentric wear pumping coupling of anti-wear alloy coating technology, a world leader.
公司拥有先进的技术，特别是双向保护抽油防偏磨接箍的合金涂层防磨技术处于世界领先水平。
The company has advanced technology, in particular, a two-way protection against eccentric wear pumping coupling of anti-wear alloy coating technology, a world leader.
公司拥有先进的技术，特别是双向保护抽油防偏磨接箍的合金涂层防磨技术处于世界领先水平。
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