短語詞組短語silo -bottom launch [軍]井底發(fā)射silo launch facility 井下發(fā)射設(shè)施silo launch test facilities 井下發(fā)射試驗設(shè)備in -silo launch capability 發(fā)射井中發(fā)射能力out -of-silo launch 井下發(fā)射launch silo 地下發(fā)射井missile launch silo 導(dǎo)彈發(fā)射井 返回 silo launch