有关smokeless的精选大全

用smokeless powder造句子,“smokeless powder”造句
Acellulosenitrateusedasacomponentofsmokelesspowder.nitrocellulosecontainingarelativelylargeamountofnitrogen;highlyexplosive;usedinmakingsmokelesspowder.Itbecameobsoleteinthe1880swhentheinventionofsmok...
用smokeless industry造句子,“smokeless industry”造句
1、Tourism,asmokelessindustry,isdevelopingrapidlyinChina.2、Knownas"smokelessindustry"andthe"eternalsunriseindustry"ofthereputationofthetourismindustry,isanenvironmentallysensitiveindustry.3、Thep...
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