超声波辅助蠕动磨削
ultrasonic assisted creep feed grinding
肠蠕动
enterokinesia
enterokinesis
gastrointestinal transmit
enterocinesia
Bowel movement
intestine peristalsis
Bupivacaine
Peristalsis
bowel peristalsis
intestinal peristalsis
中高压缩性土层
soil horizon of medium and high compressibility