开口契约

词组短语

open-end bond · open bond

与开口契约相关的网络解释 [注：此内容来源于网络，仅供参考]

open-end contract：未定数量的契约

open-end basket 小物打捞器;开口篮打捞器 | open-end contract 未定数量的契约 | open-end hole 通孔

open-end contract：开口合同,不定额契约

open-end concrete block 敞口混凝土浇筑块 | open-end contract 开口合同,不定额契约 | open-end fund 开放型基金,开口期金

open-end bond：开口契约

open-end auger ==> 悬臂式螺旋 | open-end bond ==> 开口契约 | open-end bucket ==> 活动底铲斗