n.上浮水面回零装置 zero-back circuit of rising on surface: 上浮水面回零电路back to zero: 回归零点rising depth setting device: 上浮定深装置cable cutting device of rising mine: 上浮水雷切割器water-jet rising device of mine: 水雷排水上浮装置下载手机词典可随时随地查词查翻译