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Pirani gauge
chem. 皮拉尼真空规
space 皮拉尼真空计
tech. 皮拉尼真空〔压力〕计; 热压力计; 皮氏计
Pirani vacuum gauge
met. 皮拉尼真空计
Pirani gauge: 3 phrases in 1 subject
Metallurgy3