Cov xov xwm txawv teb chaws tau tshaj tawm tias US Solar Energy Industry Association (SEIA) tau ua tus thawj coj hauv kev tshaj tawm tsab ntawv qhib sib koom nrog 17 tus thawj tswj hwm lub zog tauj dua tshiab, thov kom tus thawj tswj hwm tshem tawm cov lus tshaj tawm txog kev nce nqi tariffs rau hnub ci vaj huam sib luag thiab tshem tawm tariff kev zam rau ob sab hnub ci. ...
Tsis ntev los no, ob tug NASA astronauts Kate Rubins thiab Victor Glover Jr., taug kev sab nraum lub chaw nres tsheb thoob ntiaj teb rau li 7 teev, thiab ua tiav kev hloov lub hnub ci vaj huam sib luag.Nws tau tshaj tawm tias lub roj teeb tam sim no siv nyob rau hauv International Chaw Chaw Nres Nkoj tau teeb tsa hauv Decem ...
Lub peev xwm nqa tam sim no ntawm ib qho insulated conductor lossis cable yog qhov siab tshaj plaws tam sim no uas nws tuaj yeem nqa mus tas li yam tsis tau tshaj nws qhov ntsuas kub.Nws tseem hu ua ampacity.Thaum cov cables ua haujlwm lawv raug kev puas tsuaj hluav taws xob uas tshwm sim raws li ...