【机】 sintered carbide tools
exceed; go beyond; overtake
【计】 hyperactive
【医】 per-; ultra-
firm; forcedly; forcibly; good; hard; rigidity; stiff; strong; tough
【医】 pachy-; scirrho-
gear; goods; implement; instrument; means; tackle; tool
【计】 utility
【经】 facility; implement; means; tool