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耐火土 nàihuǒtǔ
archit.	cat
met.	fireclay
oil	fire clay
tech.	stove clay
耐火黏土
gen.	fireclay
tech.	fire clay; refractory clay

耐火土: 234 phrases in 16 subjects

Architecture	15
Bridge construction	1
Chemistry	2
Desert science	1
Earth sciences	1
Ecology	3
Electronics	3
Engineering geology	4
General	7
Hydroelectric power stations	1
Metallurgy	68
Nautical	1
Oil / petroleum	6
Refrigeration	1
Steel production	1
Technology	119