strongback
n. 定位板;强力背材
例句
The transporter/erector, also serving as an umbilical tower and strongback, was partially tilted away from the rocket around 1:30 p.m. EST.
大约东部时间下午1:30分,运输吊装装置,也作为与火箭连接的塔以及火箭的支撑装置,部分倾斜于火箭。