英语词汇“protected opening”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	protected opening
释义	protected opening 设防洞口
随便看	labour gang labour grade labour handbook labour hero labour history labour hoarding labourhood labour hour labour-hour labour hour method labo(u)r hour method labour hour rate labour-hours labour hygiene labour hygienics labour importing countries labour income labour index labour information labouring labouring class labouring clause labouring humanity labouringly labouring man 三年读成举子，十年学不成诗翁三年郎中妻，抵得半个医三年长一寸，雷惊缩一寸。三年长斋，一箸鲜虾破戒三年长斋，一著鲜虾破戒三年饿不死火头三张纸画个人头，好大的脸面三张纸画了个驴头，好大的脸面三张纸画了个驴头，好大脸面三张镰刀总有一张利ネネネネネネアカネアガリネアガリネアゲネアセ