单词：paper feed
paper feed的用法和样例：
例句
- The printer has an automatic paper feed.这台打印机有自动进纸装置。
- The paper jammed while feeding into the copier.复印机进纸时卡住了。
- A vacuum sucking system is equipped and the sucking force can be adjusted to feed the curved paperboard in.采用真空辅助吸纸自动踢刀送纸系统，分级调整吸力，使弯曲纸板自动顺利送入。
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