DictionaryForumContacts

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to phrases
natural source
tech. 天然震源; 天然源
water.res., ecol. 自然污染源
natural pollution source
tech. 自然污染源; 天然污染源
natural source: 15 phrases in 8 subjects
Commerce1
Communications1
Ecology2
Rail transport1
Sports1
Technology5
Water resources3
Wind Energy1