调
焦
旋
钮
t
i
á
o
j
i
ā
o
x
u
á
n
n
i
ǔ
Definitions
1. focusing knob
Components
调焦
tiáo jiāo
–
to focus
旋钮
xuán niǔ
–
knob (e.g. handle or radio button)
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