... 通用联轴节 universal coupler; universal coupling 安全联结器 safety hitch 摆式联结器 swinging hitch; swivel hitch ...
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... safety glass 安全玻璃 safety hitch 安全牵引装置(有脱钩防止器) safety ring 保险环[圈]，安全环[圈] ...
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spring safety hitch 弹簧安全联结装置
hitch with safety device 安全联结器
·2,447,543篇论文数据，部分数据来源于NoteExpress
They are further secured with a hitch pin for extra safety.
他们更进一步被为额外的安全以一个猛拉大头针保护。
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Despite safety concerns, there are calls to extend the shuttle's life rather than hitch rides with countries such as Russia.
同时尽管老的航天飞机有着安全上的隐患，但很多人认为与其求助于象俄罗斯这样的外国帮助还不如延长航天飞机的寿命。
Her father, Jonathan Smith, says his daughter managed to hitch a lift to safety with a Samoan family.
BBC: Woman helping in tsunami clear-up
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