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to phrases
random packing
busin. 随机存储
oil 乱堆; 任意堆积; 无规则填料
plast. 无规填充
refrig. 松散填料
tech. 无规则填充; 随机填料; 散堆填料; 乱堆填料
random packing: 4 phrases in 2 subjects
Electronics2
Oil / petroleum2