cross feed

cross valve

boiler feed valve

Feed Valve

Sight feed valve

cross model cross mode

feed forward and feed back AGC

pressure reducing valve reducing valve

valve disc type breath valve

(+)Cross-term

+ shaped cross section

∏-shape cross sectio

1*1 rib cross ovev V neck set in with

10-fold cross validation

Ⅰ Collagen cross linked c-telopeptide ICTP

Ⅰ Collagen cross linked c-telopeptide(ICTP)

28Si-scattering cross section

2-D minimum cross entropy

2-D minimum cross entropy(TDMCE)

2e triple differential cross sections