Hinges shall be stainless steel with tamperproof stainless steel bolts and nuts, and shall be removable for maintenance after the access door is cast in place.

• 铰链应该采用不锈钢,并配置防干扰不锈钢螺栓和螺母,在检修门现场浇铸时能够在维修时进行拆卸。