Tam sim no, ua ib yam khoom siv nrov rau kev sib tov tshuab, cov khoom sib tov pob zeb ntsug muaj ntau yam kev siv hauv kev lag luam thiab muaj cov txiaj ntsig zoo hauv kev siv cov khoom siv. Cov txiaj ntsig ntawm cov khoom sib tov pob zeb ntsug yog raws li nram no:
Qhov ntsugplanetary concrete mixertuaj yeem tsim cov khoom sib xyaw zoo sai sai hauv lub sijhawm luv luv yam tsis ua rau cov khoom sib xyaw puas tsuaj.
Lub tshuab sib tov pob zeb ntsug ua haujlwm tau zoo thiab ruaj khov. Lub tshuab sib tov pob zeb ntsug muaj lub voj voog luv luv ntawm cov khoom siv thiab tsis muaj qhov sib txawv rau kev siv mus sij hawm ntev.
Lub tshuab sib tov ntsug planetary tswj cov khoom siv tau zoo. Lub tshuab sib tov ntsug planetary tuaj yeem ua tiav qhov kev sib tov uas muaj lub luag haujlwm, thiab tib lub sijhawm, nws tuaj yeem ua kom ntseeg tau tias qhov hnav ntawm cov khoom siv raug txo qis. Cov khoom hnav rau kev hloov pauv tas li yog qhov yooj yim hloov thiab qhov ua tsis tiav ntawm cov khoom siv yog qis.
Lub tshuab sib tov ntsug planetary muaj kev siv hluav taws xob tsawg, thiab lub peev xwm sib tov uas tsim los ntawm cov thev naus laus zis ua haujlwm nyuaj txhawb nqa ntau hom kev sib tov khoom. Cov thev naus laus zis sib tov no yog txiav txim siab los ntawm lub hauv paus ntsiab lus sib tov. Tib lub sijhawm, lub tshuab sib tov ntsug planetary muaj kev siv hluav taws xob tsawg thiab kev siv hluav taws xob. Kev hloov pauv muaj zog.
Lub tshuab sib tov ntsug planetary muaj kev tsim qauv yooj ywm thiab ntim tau yooj yim. Npaj cov kab ntau lawm tau yooj yim, qhov kev teeb tsa yog scientific thiab tsim nyog, thiab tus nqi yooj yim ntawm kev nqis peev raug txo qis heev.
Lub tshuab sib tov ntsug planetary yog tsim thiab ua haujlwm nrog qhov muaj kev nyab xeeb siab, kev ua haujlwm yooj yim thiab kev txij nkawm yooj yim.
Lub sijhawm tshaj tawm: Plaub Hlis-03-2020
