balanced inside-mounted cartridge mechanical seal
平衡型密封 balanced seal 平衡型内装集装式机械密封 balanced inside-mounted cartridge mechanical seal 平衡型内装式机械密封 balanced internal mechanical seal ..
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balanced inside-mounted cartridge mechanical seal
平衡内装筒式机械密封
以上为机器翻译结果，长、整句建议使用 人工翻译 。