SA-20EC Portable yooj yim-rau-ua lag luam hluav taws xob davhlau ya nyob twg crimping cuab tam crimping tshuab, Qhov no yog ib tug hluav taws xob davhlau ya nyob twg crimping tshuab.Nws yog me me, hnav thiab nqa tau yooj yim.Nws tuaj yeem siv tau txhua qhov chaw ntev npaum li nws txuas nrog lub zog hluav taws xob.Lub crimping yog tswj los ntawm kauj ruam ntawm lub pedal, Lub tshuab hluav taws xob lub davhlau ya nyob twg crimping tuaj yeem nruab nrog kev xaiv Tuag rau qhov sib txawv ntawm lub davhlau ya nyob twg crimping.