E-iav rov qab ua lag luam: e-iav rov qab cov nqi nce ntxiv, feem ntau ntawm cov khoom siv nyob rau hauv nruab nrab thiab qis dua yog qhov tseem ceeb tshaj plaws.Qhov kev loj hlob tau zoo dua.Qhov kev sib piv yog 1.67% thiab Xyoo-rau-xyoo kev loj hlob tus nqi yog 48.78%. Nyob rau theem no, qhov kev thov tseem ceeb. Tsis ntev los no, qee cov kab ntau lawm tau kub, thiab cov khoom hauv zos yuav muaj cov yees me me hauv cov theem tom qab.
Kev lag luam lig ua lag luam: Cov fiberglass rov qab tus nqi yog tsuas yog kos npe, cov nqi xaj khoom tshiab txuas ntxiv, cov nqi xaj khoom tshiab txuas ntxiv, fiberglass rov qab tus nqi tseem xav tau nce.
Lub sijhawm Post: Apr-13-2021
