black trivalent chromium electro-plating
Black boned chicken with black feather
Black-Scholes Option Pricing Model Black-Scholes
call white black、 swear black is white
无线个人局域网(WPAN)
无线个域网(WPAN)
颠倒黑白、颠倒是非、混淆是非
infra-black region (blacker than black region)
spring black stem of black stem of the alfalfa
Chromium Ⅲ and ChromiumⅥ
chromium plating from trivalent chromium electrolyte
Chromium(Ⅲ) and Chromium(Ⅵ) ion
(BPG)black positive gel
‘black soil type’ degraded grassland
’black soil beach’degraded meadow
’Black soil patch’ degraded meadow
’Black Soil Type’ degraded grasslands
“Black soil type” deteriorated grassland
“black soil type”deteriorated grassland