密封套筒
Sealing sleeve
以上为机器翻译结果,长、整句建议使用 人工翻译 。
每段电热带可置在与油管结合的密封套筒1里,以防与油液接触。
Each electrical heater band can be arranged in a sealing bush 1 which is combined with the oil tube in case of the contact with oil.
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