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腐蚀裕度
1、neutralize corrosion───中和腐蚀
2、bisulfide corrosion───二硫化氢腐蚀
3、corrosion protection───[材]防腐；防腐蚀，腐蚀保护
4、allowance───vt.定量供应；n.津贴，零用钱；允许；限额
5、allowance for receivable───应收账款备抵
6、corrosion science───[化学]腐蚀科学
7、allowance for bad debt───备抵呆账
8、corrosion───n.腐蚀；腐蚀产生的物质；衰败
9、allowance for receivables───应收款备抵金
1、No corrosion allowance is required for such parts not in contact with the inside fluid as the outside surface of shell, skirt, support lugs and so on, except for anchor bolts.───对于不同内部介质接触的部件，如外表面、防护罩及支承凸缘等不需腐蚀余度，地脚螺栓除外。
2、Notes: 1. Generally no corrosion allowance is added for high alloy and nonferrous internals.───注：1、对于高合金及非铁内件通常不加腐蚀余度。
3、For the internal parts specified in Vessel Standard such as lugs and support rings, corrosion allowance shall conform to the stipulations in it.───容器标准中规定的内件，如耳轴及支撑环的腐蚀余度应符合标准中的规定。