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prelaunch ['pri:'lɔ:nʧ] n
avia. 宇宙飞船等发射之前的; 准备发射之前的; 下水前的
space 发射前的; 发射前
 English thesaurus
prelaunch ['pri:'lɔ:nʧ] n
mil., abbr. pl
prelaunch tester
: 40 phrases in 2 subjects
Electronics4
Space36