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to phrases
stone dust
eng.geol.
岩粉
expl.
岩粉
在井下,为了防止煤尘爆炸使用的非可燃性物料〈岩石、黏土等〉的粉末。也叫防爆岩粉。参见 rock dust
tech.
石质粉尘
;
石屑
;
石粉
stone dust
:
4 phrases
in 1 subject
Technology
4
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