切片的类型有哪3种？（）

A、气缸中的压缩空气的压力
B、锁闭阀阀杆插入活塞杆
C、检查柱落入表示杆缺口
D、锁闭铁挡住锁闭块

A、发达国家应努力消耗自然资源，促进经济快速增长 The developed countries should strive to consume natural resources and promote rapid economic growth
B、发展中国家应努力 “穿越”环境高山，走新型工业化道路 The developing countries should go through the environmental mountains and take the new way of industrialization
C、发展中国家应努力消耗自然资源，促进经济快速增长 The developing countries should strive to consume natural resources and promote rapid economic growth
D、发达国家应努力 “穿越”环境高山，走新型工业化道路 The developed countries should go through the environmental mountains and take the new way of industrialization