( oxygen cutting : the most used one , inluding mannul , semi - automatic and automatic operation 氧气切割:应用最广泛的一种,有手工、办自动、自动三种方法。
Acceptance testing for oxygen cutting machines ; testing the accuracy and operational characteristics iso 8206 : 1991 ; german version en 28206 : 1992 氧气割机的验收试验.复验结果的准确性.操作特性