精选优质文档-倾情为你奉上1. GENERAL DESCRIPTION 说明1.1 The aluminum alloy sacrificial anodes with bolting type shall be fitted in water ballast tanks including peak tanks. The design of cathodic protection by means of sacrificial anode refer to the standard GB 8841-88.本船压载水舱包括艏艉尖舱内将安装螺栓连接型式的铝合金牺牲阳极，用牺牲阳极作阴极保护的设计参照GB 8841-88 标准。1.2 The calculation of aluminum anodes for water ballast tanks to be according to the contract specification as following design condition.Life time : f
