1.As we climbed up the mountain the dangers and difficulties (multiped).
我们爬山的时候危险和困难越来越多。
2.Station Number Selection of Multiped Station Centrifugal Casting Machine
多工位离心铸造机工位数的选择
3.Process Design for Spark Plug Shell Multiped Station Cold Extrusion
火花塞壳体多工位冷挤工艺设计