trim tab spool平衡调整: balance control; balance adj ...片: a flat,thin piece; slice; fl ...卷筒: drum; spool; coiling block; ...平衡调整片: balancing tab; trim tab; trimming tab失平衡调整片: unbalancing tab下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:平衡调整片卷筒，即可在微信中查询翻译
