Use special calciumlead tin alloy plate grid, more resistant to corrosion, charging accept ability is better.
使用特殊的钙铅锡合金板栅，更耐腐蚀，充电接受能力更好。
2
Special leadcalciumalloy makes better corrosion resistance and higher recovery capacity.
使用特殊的铅钙合金，更耐腐蚀，充电接受能力更好。
3
The article introduces the sprinkle mould system of leadcalciumalloy, and discusses formation, work principles and design characteristics of hydraulic and electric control.