... 铠装镍铬-镍铝热电偶 sheathed chromel-alumel thermocouple 密封泵，屏蔽泵 sheathed pump 铠装热电偶 sheathed thermocouple ...
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sheathed d pump 密封泵
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A lubricating oil pump shaft and a CAM transmission shaft are respectively sheathed in series in two inner cavities.
两内腔内分别串套机油泵轴和凸轮传动轴。
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