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break pin; safe pin | |||
safety bolt | |||
guard pin | |||
safety pins | |||
shearing pin | |||
safety pin | |||
shear pin | |||
security pin | |||
break pin (钉); captive pin; preventer pin (钉); safety pin (钉); securing pin (钉); shearing pin (钉) | |||
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safety pin; securing pin | |||
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safety pin |
安全销: 40 phrases in 15 subjects |