electric field vector hand电手
electric field vector hand drill手提电钻
electric field vector hand tapper手用电动丝锥
electric field vector hand shaper手提电刨
electric field vector hand lamp手提蓄电池灯
field hand over stake现场交桩
prime field hand种田能手
On The Field Hand放到田野手上
map of field free-hand work野外手图
N-COUNT（可数名词） A field hand is someone who is employed to work on a farm. 农业工人 [美国英语]