差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。
Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.
差距尤以液压泵、液压马达和变速箱用旋转油封及液压缸往复动密封的产品质量最甚。
Particularly the gap between the hydraulic pump, hydraulic motor and gearbox oil seals and hydraulic rotary cylinder reciprocating dynamic seal product quality most.
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