Objective To study and shear bond strength of resin - reinforced glass ionomer cement ( RGIC ) on orthodontic brackets.目的探讨两种树脂加强型玻璃离子水门汀对托槽粘结强度的影响.Objective: To apply the theoretical basis of argent - glass ionomer ceme...
RunedBracers远古北欧保护带:抵消英雄所受魔法伤害的33%.Runed Bracers - Reduces magic damage dealt to the hero by 33 %.用塑料粘胶带将PVC保护带粘贴固定,以防松脱.Paste and fix the PVC protection tape with plastic tape to prevent against looseness.技术范式的不可通约性主要表现...
齿轮指形铣刀样板是加工大模数齿轮的主要辅助工具.The finger milling - cutter templet involute gear is the assistant tool mostly to machining big module gear.本文着重阐述了渐开线齿轮齿根过渡曲线的确定以及使用微机设计齿轮指形铣刀样板的方法.It is rapid and accurate in design and drawing ...