自动

zì dòng automatic; voluntarily

包装

bāo zhuāng to pack; to package; to wrap; packaging

流水

liú shuǐ running water

线

xiàn variant of 線|线[xian4]

xiàn thread; string; wire; line; CL:條|条[tiao2],股[gu3],根[gen1]

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