air screw fan  轴两扇风机; 控制棒水力驱动系统

fan out screw  松给进器快钻

subaqueous fan-fan deltaic depositional system  水下扇—扇三角洲沉积体系

Positioning Screw， Set Screw  定位螺钉

right hand screw [= right handed screw]  右旋螺桨; 右旋螺丝

screw hexagon socket head cap screw  六角螺钉

fan marder [= fan marker beacon]  扇形波束无线电标杆; 扇形示位标杆

fan-in and fan-out  扇入与扇出

the selection of primary air fan and secondary air fan  一、二次风机选取

[screw] thread  螺纹

3D screw method  三维螺旋法

90° side screw driver  90°侧壁螺丝刀; 乡议局法团可─

a screw rod for transporting bottle  输瓶螺旋棒

abnormal screw  异形螺杆

Absorbabal screw  可吸收螺钉

absorbable inner fixation screw  可吸收内固定螺钉

Absorbable interference screw  可吸收界面螺钉; 螺钉

absorbable interference screw fixation  可吸收界面螺钉; 组合板梁

absorbable screw  PDLLA可吸收螺钉; 可吸收螺钉; Hoffa骨折