Worm shaft of worm-gear box fixes collecting rope wheel and counter so that count rope length.

蜗轮箱内蜗轮轴上装有收绳轮和计数器，计算绳索的长度。

youdao

Worm shaft of worm-gear box fixes collecting rope wheel and counter so that count rope length.

蜗轮箱内蜗轮轴上装有收绳轮和计数器，计算绳索的长度。

youdao