Effect of block needle knife in relieving pain and dysfunction after temporomandibular joint disease 阻滞加针刀减轻颞颌关节病后疼痛及活动障碍
2.
The microstructure of isothermally - quenched ductile iron ( adi ) is a mixture structure consisting of austenite plus acicular ferrite 摘要等温淬火球铁的显微组织由奥氏体加针状铁素体的混合组织组成。
