high-powered medium-speed diesel engines
...-powered low-speed marine diesel engines 大功率低速船用柴油机 high-powered medium-speed diesel engines 大功率中速柴油机 high-powered radio range 大功率无线电信标 ..
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大功率中速柴油机磨损的活塞镶装镶圈是一种有效的修复方法。
Inserting ring carrier to the wearing piston of high-power medium speed diesel engine is a useful repaired way.
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