... back-up safety 备用安全装置back-up surveillance 辅助监督 back-up tong 背钳 back-up wrench 背钳 ...
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... back-upwrench背钳 back-ups背钳 backacter反铲挖土机 ...
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... backup water injector 后备注水井 back-up wrench 背钳 backup 支持；底板；阻塞 ...
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短语
背钳附件
back-up attachment
背钳适应范围
Application Range of Backup Tong
毛钳弓背蚁
Camponotus lasiselene
钳弓背蚁
Camponotus nicobaresis
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back-up tong
back-ups
back-up wrench
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