1.A kev soj ntsuam xyuas txhua yam ntawm cov khoom siv foob
as Well as cov khoom siv ancillary thiab pipeline installation tiav, seb puas yuav tsum tau ua;
2. cov neeg ua haujlwm foob ua ntej pib kev sim siab zoo
kos lub tshuab foob cav yog nqus.
Yog tias qhov xau ntau dua, yuav tsum paub seb yog vim li cas thiaj li sim tshem tawm. Yog hais tias nws tseem tsis tau, nws yuav tsum disassembled thiab reinstallembled. Kev sib tw siab zoo siab nrog kev sib tw nrog 2 mus rau 3 kg / square-centimeter;
3.press lub twj tso kua mis tig lub tsheb, xyuas seb lub teeb pom kev zoo li cas.
Yog hais tias lub laub tsis yooj yim los yog tsis tsiv, koj yuav tsum xyuas cov kev sib tw loj heev, qhov kev tsim nyog yog tsim nyog.