parallel link mechanism
wank and connecting link mechanism
Clamping Mechanism
卡紧机械
箝位机构
夹持机构
加紧机构
夹紧机构
装夹机构
合模机构
移模机构
开合模机构
Self-locking Clamping Mechanism
double blind double dummy
Double blind double dummy randomized controlled clinical trial
Double Chambers and Double Layers
Double chambers double layers floating bed
Double columns and double FIDs
Double frequency pulsation double vertical ring high gradient magnetic separator
double lift double cylinder jacquard
double -peak double -wavelength method
double pole double throw
double side double arc welding
double stack two-valve double outlet hydrant
double stem and double layer