The tips of the polymer velvet fibers are expanded and bent because of the erosion in operation, which shortens the lifetime of the polymer velvet cathode.
在高电压运行中，化纤天鹅绒的纤维尖端由于高温烧蚀而膨胀、弯曲，从而影响了其运行寿命；
The tips of the polymer velvet fibers are expanded and bent because of the erosion in operation, which shortens the lifetime of the polymer velvet cathode.
在高电压运行中，化纤天鹅绒的纤维尖端由于高温烧蚀而膨胀、弯曲，从而影响了其运行寿命；
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