求翻译：操作阀杆是专门控制灌装阀注气阀开关的专门机构。操作阀杆的转动是否灵活直接影响到灌装的质量，每生产之前检查各个操作阀杆是否转动灵活，并定期检查O形圈磨损状况。是什么意思？

The operating stem is the specialized agencies to specifically control the filling valve injection valve switch. Rotation of the operating stem is flexible direct impact on the quality of the filling, each operating stem is flexible rotation prior to produce, and regularly check the state of wear of

Specialized control valve is par filling valve note valve switches the specialized agencies. Whether or not the spinning operated valve par flexible directly affects the bottling of quality checks before the operation, production of every valve stem spinning whether flexible and regularly inspected

The operating valve lever is controls specially fills installs the valve note air valve switch the specialized agency.Whether the operating valve lever rotation nimble does affect directly the quality which fills installs, before each production inspects each operating valve lever whether rotates ni

Operation stem is specialized in special control fill valve and injection valve switches. Operation stem turn are flexible and direct impact on the quality of filling, check individual actions before each stem is turning flexible and regularly check the o-rings wear condition.