狭水道航行 channel navigation; navigating in narrow: channel狭水道航行narrow channel: 狭航道; 狭水道; 狭窄水道; 窄带信道, 窄带通道; 窄带信道,窄带通道; 窄信道area of narrow channel: 狭水道区cast in a narrow channel: 狭水道掉头channel narrow-bant: 狭带通道下载手机词典可随时随地查词查翻译