Thaum lub Cuaj Hlis 10, 2019, hauv Renqiu, Hebei Xeev, Kunshan Anyiyuan Pipeline Technology Co., Ltd. tau ua kom pom tseeb tsis siv neeg vuam cov kev daws teeb meem rau cov kav dej xws li me me - txoj kab uas hla ntawm 0.5 "(12.5 mm) mus rau loj - txoj kab uas hla ntawm cov khoom siv ntawm 42 mm (42 mm) nkaus xwb. Tag nrho cov kev daws teeb meem ua ke tsis siv neeg hauv paus vuam, tsis siv neeg sau thiab hau vuam ua haujlwm.
Cov thawj coj, cov kws tshaj lij thiab cov kws tshaj lij vuam los ntawm ntawm - pab pawg tsim kho ntawm Tuam Tshoj National Petroleum Corporation tau pom muaj kev txaus siab rau cov khoom siv los ntawm peb lub tuam txhab. Thaum lees paub qhov zoo ntawm peb cov khoom, lawv kuj muab cov lus pom zoo thiab cov lus pom zoo. Cov thawj coj thiab cov kws tshaj lij tau taw qhia tias kev siv vuam tsis siv neeg sawv cev yog ib qho kev hloov pauv tsis tu ncua hauv kev txhim kho vuam tshuab, thiab qhia kev cia siab tias peb lub tuam txhab yuav txuas ntxiv mus tshawb fawb thiab kho cov tshuab vuam tsis siv neeg thiab cov txheej txheem los txhim kho kev ua tau zoo thiab kev siv vuam zoo rau cov neeg siv khoom.
