launchv.发起；推出（新产品）；发射；使(船)下水n.发射；产品推介launching oil[机] 船用润滑脂launch attack发起进攻launching aid发射辅助设备,投产补助金launching silo地上发射装置launch antenna发射天线launch vehiclen.运载火箭launching ways下水滑道launching unit发射装置launching tuben.水雷发射管launch complex综合发射设施