частей на миллион | |
dril. | parts per million |
mil. avia. | parts per million |
nautic. | parts per million by volume of gas in air |
O&G, tengiz. | ppm – parts per million |
частей на миллион. | |
O&G, tengiz. | particles parts per million |
По | |
geogr. | Po |
по | |
gen. | unto |
obs. | consonantly |
seism. | under |
частей на миллион по: 6 phrases in 3 subjects |
Ecology | 2 |
Nautical | 1 |
Technology | 3 |