Hauv ntau lub khw hauv Suav teb, cov khoom lag luam Chenli muag zoo tshaj plaws piv nrog cov khoom zoo tib yam hauv cov khw muag khoom pem hauv ntej (sab qaum teb ntawm Changjiang River, nqa slings thiab clamps muag ntau dua li lwm yam khoom zoo tib yam); Cov tuam txhab lag luam txawv teb chaws kuj nyiam peb cov khoom lag luam zoo tshaj plaws vim tias cov khoom lag luam 'zoo-zoo thiab pom zoo specifications. Kev xa tawm tsis tu ncua ua rau cov khoom lag luam hauv feem pua ​​​​ntawm kev lag luam thoob ntiaj teb ntau dua thiab siab dua, tshwj xeeb tshaj yog nyob rau qee lub tebchaws nyob sab Europe (Fabkis, Ltalis, Askiv, Spain thiab lwm yam) Kev pom zoo cov khoom kuj yog siab heev; kev loj hlob ntawm lub tuam txhab, Kev nthuav dav ntxiv ntawm lub Hoobkas, lub zog pov thawj uas peb yuav muaj lub neej yav tom ntej zoo dua.