1.When using sorbitic extractors, try to teach and explain packing method.
在使用沙氏提取器时,应作试教,讲解安装方法。
2.This paper gives an installation method of off—line printer in XENIX System V, it alse gives some practical method to modify the output format in the system.
3.For the features of force on the full steel heterotypical arch bridge,an easy and appropriate method is proposed for installation of the hanger rod by jacking the tie beam.