复杂件只能采用多箱造型的方法，难度增加，铸件容易产生错位，增加清理和机加工的工作量。
Complex parts only can adopt the method of multi-box molding, difficulty is increased, casting is easy to cause dislocation, increase the workload of cleanup and machining.
超级可执行维持不变， 直到1935年时， 该中心高度增加到3 1 / 2 “的使用更深入的启闭和尾座铸件；
The Super Exe stayed unchanged until 1935 when the centre height was increased to 3 1/2 " by the use of deeper headstock and tailstock castings;"
梅雨季节高温潮湿天气对冲天炉熔炼带来不利影响，导致铸件气孔缺陷增加。
The high ambient temperature and damp weather has harmful influence on the cupola melting that causes increase of blow hole defect.
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