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惰性矿物
 惰性矿物
desert. inert mineral
| 填料
 填 料
met. filling material
 填料
hydroel.st. wad; packing; filler
isol. filler
met. filling mass; fillings
skydive. gasket
wind. filling

to phrases
惰性矿物
desert. inert mineral
惰性矿物
: 2 phrases in 2 subjects
Oil / petroleum1
Technology1