单词	four operations
释义	four operations 四则运算
随便看	clamp for fastening in show cases clamp for gastrointestinal suturing instruments clamp for grasping ureter clamp for hold rubber tubing clamp for honing clamp for knee arthrodesis,compression clamp for large blood vessels,hemostatic clamp formation clamp forming machine clamp for partial occlusion,aorta and pulmonic clamp for phalanx,bone holding clamp for reflector clamp for spermatic cord,fixation clamp for spermatic duct,fixation clamp for upper cover clamp for upper resections,intestinal clamp for various heights clamp for vein graft,micro vessel clamp frame clamp framework clamp frog clamp gate valve Clamp,Glucose clamp grab clamp handle