self-propelling apparatus
self-propelling apparatus
[船舶英汉词典]
self-propelling apparatusn.自推设备
是什么意思，self-propelling apparatus的解释，self-propelling apparatus的翻译
self-propelling apparatus
[船舶英汉词典]
self-propelling apparatus是什么意思，self-propelling apparatus的解释，self-propelling apparatus的翻译