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电气引燃源
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电气引燃源
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electrical ignition source
电气引燃源
电气装置、电气线路、杂散电流等产生的能够引起可燃物发生火灾和爆炸的危险温度和电火花(及电弧)等。广义上还包括静电火花、雷电形成的火花及高温、射频电磁辐射引起的发热及火花等。
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positive semi-definite operator
positive semi definite quadratic form
positive semi-definite quadratic form
positive semi-definite rational function
positive semigroup
positive semiorbit
positive semi-trough
positive sense
positive sense single-stranded RNA virus
positive sequence
positive series
positive side
positive sidelight
positive sign
positive skewness
positive solution
positive species interaction
positive spinor
positive staining
positive strain energy
positive strand
positive subspace
positive supportive reaction
positive (symmetric) operator
positive symmetric operator
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