Cov neeg siv khoom Case

Nyob rau hauv tus txheej txheem ntawm ua pearl paj rwb ntim hauv ob sab phlu, nws yog ib qho tseem ceeb heev uas yuav tau xaiv ib tug haum pearl paj rwb txiav tshuab, vim hais tias nws yuav ncaj qha cuam tshuam cov nyhuv thiab efficiency ntawm lub hauv ob sab phlu.

Tawv yog ib yam khoom siv hauv peb lub neej, npog yuav luag txhua yam ntawm peb lub neej, xws li hnab tawv, khaub ncaws tawv, khau tawv, hnab ev khoom, rooj zaum, rooj zaum hauv tsheb, thiab lwm yam.

Cov lem ntawm lub tshuab engraving tau muab faib ua voj voog thiab cov kab qhia (qhov peb hu ua square rails). Yog tias lub tshuab muab piv rau tib neeg, cov ntsia hlau no yog cov taw uas tib neeg txav tau yooj yim! Nws tuaj yeem pom tau tias txoj kev khiav ua lub luag haujlwm tseem ceeb hauv lub tshuab engraving thiab muaj kev cuam tshuam tseem ceeb ntawm kev ua haujlwm dawb thiab hloov pauv ntawm lub tshuab engraving! Qhov zoo ntawm kev khiav ncaj qha cuam tshuam rau kev ua haujlwm ntawm kev ua haujlwm, thiab txawm tias cuam tshuam rau kev kos duab ntawm tag nrho cov khoom! Txoj kev khiav yog muab faib ua voj voog thiab square khiav.

Cov hauv qab no yog cov phenomena ua txhaum thiab kev daws teeb meem rau engraving tshuab.

Diaobao & Yiming muaj 20 xyoo ntawm kev paub hauv kev lag luam khoom siv. Cov hauv qab no yog cov tshuab engraving uas tsis raug thiab cov kev daws teeb meem suav nrog lub tuam txhab cov kws tshaj lij. Peb vam tias yuav pab peb cov neeg siv khoom sai sai daws cov teeb meem tshuab. Yog koj xav paub ntxiv, thov hu rau peb.