The technology is particularly suitable forperforating Wells' limited current.
该项技术特别适用于限流法射孔井。
2
Perforatig rules: Steel rules which has a series of cuts forperforating sheet of paper.
打孔线：有着一串切口，用来在纸上打孔的钢线。
3
Objective: To study their location, diameter, course, and anastomosis pattern on the perforating branches of the posterior region of the leg, and to provide the anatomical basis forperforating flaps.