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氢氧化 qīngyǎnghuàstresses
chem. гидроокись; гидрат закиси
el. гидроокись аммония
氢氧化: 267 phrases in 22 subjects
Astronautics2
Chemistry40
Drug-related slang1
Ecology1
Electronics26
Firefighting and fire-control systems1
Food industry3
Food service and catering3
General50
Geochemistry1
Geology1
Inorganic chemistry1
Medical24
Metallurgy2
Military1
Missiles2
Oil and gas1
Oil processing plants16
Technology82
Textile industry1
Thermal engineering1
United Nations7