🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiSvenskaРусскийالعربيةفارسی中文日本語EntityQ581809· pop 18· linked from 64 articlessplinemechanical rotational mating strategy similar to key/keywayAvailable in 17 languagesEspañolDeutschРусскийItalianoArmenianAzerbaijaniCatalanCroatianCzechNederlandsPolskiConnectionskeyEntitybicycleEntityCategoriesMechanical power transmission