观察门 meaning in English
observation door
Examples
- Replace the insulation and access door ( s )
重新安装绝缘保温层和观察门。 - Remove the access door ( s ) , insulation and element cover ( s )
拆卸观察门，绝缘保温层和加热元件盖。 - Door window should be made out of hardened glass in order to protect worker in case of leakage and broken valve
观察门上需安装有钢化玻璃，保护操作者，防止被测地泄漏和破裂。