常見例句雙語例句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.總之,在冠狀面剪力骨折固定中前-后方向上應用埋頭螺釘其制定的推薦級別為C級。 返回 headless screw