蜗杆

Traditional form:

蝸桿

Pinyin (reading):

wōgǎn

Definitions:

• worm (mechanical engineering)

Characters:

• 蜗 - snail; Eulota callizoma
• 杆 - cane, pole, stick

Traditional characters:

• 蝸 - snail; Eulota callizoma
• 桿 - cane, pole, stick