单词	heel pivot
释义	heel pivot 轨跟枢
随便看	standard pipe bender standard pipe prover standard pipe size standard pistol standard piston standard piston ring standard pitch standard pitch auger standard pitch circle standard-pitch circle standard pitch cone standard pitch diameter standard pitch line standard pitch roller chain standard plain metal-slitting standard plain milling cutter standard plan Standard plan chemotherapy standard plane standard plankton net standard plan of amortization Standard planting standard plasma standard plasmid standard plate