A.輸送閥、進(jìn)料閥 B.進(jìn)料閥、卸料閥 C.進(jìn)料密封閥、卸料閥 D.卸料密封閥、進(jìn)料閥
A.3200s B.3600s C.3800s D.4000s
A.氣動門 B.氣動圓頂閥 C.氣動調(diào)節(jié)閥 D.氣動進(jìn)料閥