Tuam Txhab Xov Xwm
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Malleable hlau yeeb fittings zoo tswj cov txheej txheem
Ua ntej, lub hauv paus tseem ceeb uas cuam tshuam rau kev kho mob Niam mab liab yeeb yaj kiab txiav txim siab nrog tus nqi tsim nyog vim tias nws cov ntau ntawm metamorphism cov ntsiab lus yuav tsum nqaim heev, thiab yog li ntau nyuaj rau kev ruaj khov dua hlau ductile. Qhov no yuav tsum kom tus ...Nyeem ntxiv
