viewing port英语标准发音:viewing port英式发音:美式发音:翻译中文观察孔viewing port - 基本释义[词典1]观察窗viewing port - WEB词典viewing port观察孔观察口观察窗Sample viewing port取样观察口pressure door with viewing port带窗耐压圆门 参考资料: 1.百度翻译:viewing port2.有道词典:viewing port3.爱词霸:viewing port