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botulin
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生物学词汇手册
botulin
肉毒杆菌毒素
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fixed exchange rate
fixed exchange rate
fixed exchange rate
fixed exchange rate system
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fixed expression
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fixed fee
fixed fire extinguisher
fixed fire extinguishing facilities
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fixed flow faucet
fixed flow rate valve
fixed focus camera
fixed focus (FF)
fixed form
fixed-frequency generator
fixed frequency source
fixed-fuel reactor
fixed general tariff
fixed grate
fixed-grate-type gas producer
fixed groundwater
fixed guide bar
fixed handling machinery
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