关开 meaning in Chinese

colsed open

Copter rotors really spin , and cockpit and doors really open
直升机旋翼可旋转，驾驶舱门可关开！
To help restaurants become more environmentally friendly and energy efficient , the ministry of commerce recently issued a range of provisions relating to the catering industry , which discourage the use of wooden chopsticks
为了使餐馆更加环保节能，商业部制定了一系列关开餐饮业方面的规定，就是为了阻碍使用木筷子。