Long March 2 , Long March 3 , Long March 4 , the main stages and associated liquid rocket boosters use dinitrogen tetroxide ( N2O4 ) as the oxidizing agent and UDMH as the fuel .
ADJ PROPN NUM , PROPN PROPN NUM , PROPN PROPN NUM , DET ADJ NOUN CCONJ VERB ADJ NOUN NOUN VERB NOUN ADP ( NOUN ) ADP DET VERB NOUN CCONJ VERB ADP DET NOUN .