loose cover
常见例句
- The up & down journey switch: loose the outside cover to check the touch point, and adjust again.
上下行程开关：松开外盖查看触点，重新调整。
www.china-brand.net - The invention modifies the control property of the loose cover and promotes the stability thereof.
本发明改善活套控制性能，提高活套的稳定性。
ip.com - Heading 48.20 does not cover loose sheets or cards, cut to size, whether or not printed, embossed or perforated.
品目48.20不包括切成一定尺寸的活页纸张或卡片，不论是否印制、压花、打孔。
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