static pressure head 基本例句 静压头 As a result,it is found that the electric current of EMC is related with ingot size,and the electromagnetic press balances with the static press of liquid metal.本文推导了电磁铸过程中的磁感应强度表达式,并由此导出了电流强度与铸锭尺寸的关系式,计算的电磁压力与液体金属的静压头基本平衡。