常見(jiàn)例句雙語(yǔ)例句The transmission originated from a communications port in the observation deck itself.傳輸源是在了望甲板的通信站上。An observation port is arranged in the outer layer coiling and cutting mechanism for checking coiling and cutting effects in real time;外層卷削機(jī)構(gòu)中設(shè)有觀察孔，可以實(shí)時(shí)查看卷削效果；ip.com 返回 observation port