熟果初期棱槽油管可呈现明显的横隔样结构;
The vittae in vallecular canal appear obviously the like-trabecula structure in initial stage of mature fruit phase.
方法三棱滑切固定矫治器的结构,以三棱形弓丝和具有三角槽沟的托槽为主体,由它控制矫治牙在各个方向的移动而发挥矫治作用。
Methods the structure of deltoid arch wire fixed appliance is consist of deltoid arch wire and bracket with deltoid colpus. It is used to control the tooth's moving.
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