handarmn.手枪handn.手；协助；手艺v.给；传Hand.n.汉德（英文姓）handling operation维护,装卸工作hand drill for ENT耳鼻喉科用手钻handover procedure交接过程hand-held enzyme锤头酶hand fired furnace人工加煤炉hand packing table手工装填台handover execution越区切换执行hand choke control手阻风门hand-dynamometer握力计handling exception异常处理