词汇	vein block therapy
释义	vein block therapy 静脉封闭疗法
随便看	operational forced outage rate operational forecast operational form operational formula Operational Framework operational frequence operational frequency Operational frequency band-width operational funding operational game operational gaming method operational goal operational grade operational grounding operational ground support equipment Operational Ground Support Equipment List Operational Group Equipment operational guidance operational guideline operational guiding thought operational habit operational halt instruction operational-halt instruction operational hardware operational hazard analysis