protraction造句怎么写

Inflammation plays an important role in the process of the occurrence and agglutination of surface ulcers, which has marked effect on damage protraction and recovery of local ulcers.

Routine massage method was applied in control group, manual replacement with the lumbar part in a anteflexed and dorsal protraction condition was applied in treatment group.

Based on the analysis of distortion and protraction of warp and form of shedding, the problem that dobby can not fully develop its capacity is located.