powder NBR丁腈粉末
powdern.粉末;粉;火药;细雪vt.洒粉于;使变成粉;重击vi.变成粉;涂粉
powder core string material粉芯线材
Powdery Emulsion Explosives粉状乳化炸药
powder surface modification粉体表面改性
powder metallurgy tool steel粉末冶金工具
powder metallurgy superalloy粉末高温合金
powder explosion suppressant干粉抑爆剂
powder blower with sieve top带莲蓬头的喷粉器
powder - penetration ratio粉剂穿透比