... Radioactive substances 放射性物质 Beryllium and beryllium compounds 铍及其化合物 Arsenic and arsentic compounds 砷及其化合物 ...
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...obalt compounds) 25.4 铊及其化合物(Thallium and thallium compounds) 25.5 铍及其化合物(Beryllium and beryllium compounds) 25.6 锰及其化合物(Manganese and manganese compounds) 25.7 碲及其化合物(Tellurium and tellurium compounds) 25.8 铋及其化...
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