常见例句雙語例句Overall, a Grade-C recommendation can be made for the use of countersunk headless screws, directed anterior to posterior, for the fixation of coronal shear fractures.縂之，在冠狀麪剪力骨折固定中前-後方曏上應用埋頭螺釘其制定的推薦級別爲C級。 返回 headless screw