Diesel cav qib xaiv

Raws li qhov yuav tsum tau ua ntawm GB 252-2000 tus qauv, cov hauv qab no yuav tsum ua raws li cov hauv qab no thaum xaiv cov qib roj teeb lub teeb:
1. No. 10 lub teeb diesel roj yog tsim rau cov cav tov nrog cov khoom siv preheating;
2. No. 5 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm 10% thiab qhov kub thiab txias tshaj 8 degree;
3. Tsis yog. 0 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas qhov kev pheej hmoo yog 10% thiab qhov tsawg kawg nkaus kub yog siab tshaj 4 degree;
4. - No. 10 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm 10% thiab qhov tsawg kawg nkaus kub siab tshaj -5 degree;
5. - No. 20 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm 10% thiab qhov tsawg kawg nkaus kub siab tshaj -14 degree;
6. - No. 35 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm 10% thiab qhov tsawg kawg nkaus kub siab tshaj -29 degree;
7. - Tsis muaj. 50 lub teeb diesel roj yog tsim rau siv nyob rau hauv cov cheeb tsam uas muaj kev pheej hmoo ntawm 10% thiab qhov tsawg kawg nkaus kub siab tshaj -44 degree ;