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pearlite | |||
perlite | |||
perlite rock | |||
pearlstone |
珍珠岩 : 80 phrases in 11 subjects |
Architecture | 4 |
Chemistry | 1 |
Desert science | 1 |
Earth sciences | 1 |
Electronics | 1 |
Engineering geology | 1 |
Metallurgy | 2 |
Oil / petroleum | 8 |
Rail transport | 1 |
Refrigeration | 3 |
Technology | 57 |