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块状熔岩
 块状熔岩
oil block lava
| 构造
 构造
gen. making
hydroel.st. structure
met. constitution; construction; grain; make; organism; organization

to phrases
块状熔岩
oil block lava
块状熔岩
: 5 phrases in 3 subjects
Engineering geology1
Oil / petroleum2
Technology2