Correct

有槽

/ yǒu cáo /
Strokes

Example

As an Adjective

slotted

1
Yǒu
cáo
luó
螺母
  
/
luódīng
螺钉

slotted nut/screw

2
Yǒu
cáo
tiěxīn
铁芯

slotted core