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。
Hinges shall be stainless steel with tamper proof stainless steel bolts and nuts, and shall be removable for maintenance after the access door is cast in place.
采用机械混合法，经过在机烧结，获得型芯，并用型芯浇铸了不锈钢件。
After mechanical molding and sintering, the cores are gained and stainless steel parts are made with the cores.
采用机械混合法，经过在机烧结，获得型芯，并用型芯浇铸了不锈钢件。
After mechanical molding and sintering, the cores are gained and stainless steel parts are made with the cores.
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