Bisa ka'idojin masana'antar injuna masu nauyi ta kasar Sin, duk nau'in jabun da aka samar da injin injin injin ruwa da ke sama da loOot ana iya kiransa manyan jabu. Dangane da karfin jujjuyawar injin injin na'ura mai saukar ungulu kyauta, ya yi daidai da: injunan injuna mai nauyi fiye da 5t da fayafai masu nauyi fiye da 2t.
Manyan jabu sune manyan sassa na asali a cikin kowane nau'in manyan kayan aiki da na'urori masu mahimmanci don gina tattalin arzikin ƙasa, masana'antar tsaron ƙasa da haɓaka kimiyyar zamani.
Ana amfani da manyan jabu a cikin abubuwa masu zuwa:
1. Karfe mirgina kayan aiki yi, goyon bayan yi da kuma manyan tuki sassa, da dai sauransu.
2. Ƙirƙira da latsa kayan aiki module, sandar guduma, guduma shugaban, piston, shafi, da dai sauransu.
3. Manyan sassan watsawa na kayan aikin ma'adanan da sassan manyan na'urar dagawa.

Manyan ƙirƙira:
4. Steam turbine da janareta rotor, impeller, kariya zobe, babban tube farantin, da dai sauransu.
5. Na'ura mai aiki da karfin ruwa samar da kayan aiki: babban turbine shaft, babban shaft, madubi farantin, latsa forming babban ruwa, da dai sauransu.
6. Nukiliya samar da kayan aiki: reactor matsa lamba harsashi, evaporator harsashi, regulator harsashi, tururi turbine da janareta rotor, da dai sauransu.
7. Babban ganga, kai da farantin tube a cikin man fetur hydrogenation reactor da ammonia kira hasumiya na man fetur da kuma sinadaran kayan aiki.
8, shipbuilding masana'antu manyan crankshaft, matsakaici shaft, rudder, da dai sauransu.
9. Kayayyakin soja suna kera manyan ganga na bindiga, fayafai na jirgin sama, ganga mai matsa lamba, da dai sauransu.
10. Maɓalli masu mahimmanci a cikin manyan kayan bincike na kimiyya.

Daga: 168 jabun net