vacuum firing的相關(guān)資料：
臨近單詞
vacuum box
vacuum
Vacuum - assist venous drainage
vacuum cylinder reinforcing plate
Vacuum cleaner to capture goblins
vacuum expandable pattern casting
vacuum heaped load precompression
Vacuum sealability of silver wire
vacuum drainage pre-compression
Vacuum and air pressure indicator
Vacuum counter-pressure casting
Vacuum power assist brake booster
