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安全限值 safety limit
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What is the purpose of the limit switch on gravity davits?A.To cut off the power when the davits hit the track safety stopsB.To stop the davits from going too fastC.To cut off the power when the davits are about 12 inches or more from the track safety stopsD.None of the above
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记住,安全第一。()A、Remember: safety first.B、Mind. Safe the first.C、Think of it. Safety is one.D、Think of it. Safety first.
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单选题What is the purpose of the limit switch on gravity davits?()A
To cut off the power when the davits hit the track safety stopsB
To stop the davits from going too fastC
To cut off the power when the davits are about 12 inches or more from the track safety stopsD
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单选题safety net()A
安全措施B
安全网C
安全帽D
安全防护
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