"d"隔爆型 | |
nautic. tech. | flameproof enclosure |
元件 | |
el.mach. | component |
D元件 | |
auto.ctrl. | derivative element; D element |
I元件 | |
auto.ctrl. | integral element; I element |
P元件 | |
auto.ctrl. | proportional element; P element |
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flameproof enclosure electrical equipment | |||
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flameproof enclosure "d" |
隔爆型 : 8 phrases in 3 subjects |
Compressors | 4 |
Electric machinery | 3 |
Explosives and Explosive Ordnance Disposal | 1 |