lock washer with tongue at inside

lock washer with tongue at outside

separation of tongue body and tongue coating

switch point；point tongue；switch rail；tongue rail；blade

tongue body and tongue coating separation

centershift lock pin lock position

“Crystal”duck′s tongue

a tongue not understanded of the people

a twist in one’s tongue

actinomycosis of tongue

Adder‘s Tongue Herb

adder’s tongue

Adder’s Tongue Herb

adder’s-tongue

Adders-tongue

administered under tongue

analysis of tongue color

apex of tongue

Arnold tongue

Atrophy of tongue papillae