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腐蚀性物品
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腐蚀性物品
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corrosive materials
腐蚀性物品
通常指能灼伤人体组织或对金属等物品造成损坏的固体或液体;具体为与皮肤接触在4小时内出现可见坏死现象,或温度在55℃时,对20号钢的表面均匀腐蚀率超过6.25毫米/年的固体或液体。
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nectary
NED
NEDCC
NEDLIB
nedocromil
nedocromil; tilade
need
Needham
Needham Research Institute
Needing You
needle
Needle and Thread
needle beam
needle board
needle cast
needle coke
Needle Galaxy
needle grasping method
needle-handle shaking method
needle-holding hand
needle insertion method
Needleleaf Forest
needleleaf sedge
needle-leaved plant
needle-leaved tree
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