에너지 배관기능장 14강 나사절삭기초
Vídeos relacionados
11:42
에너지 배관기능장 15강 나사절삭 심화
13:23
에너지관리기능사 실기 작업형 ④ _ 나사절삭_1 (20A) // 합격만을 위한 최소한의 설명 버전!!!! 💁♂️ 여러분의 시간을 아껴드립니다🫰
12:36
How to use a pipe machine (power screw cutting machine) is the basics of mechanical equipment!! J...
15:17
Master Technician explains how to use a screw cutter, pipe cutter, and screw cutting, even for be...
10:16
기능장구조물 용접 10분만에 몰아보기
16:39
brazing is very easy. Just do as I do.
35:08
Hot Water Ondol Technician Practical Training | Lesson 4: Pipe Cutting and Screw Cutting (4/6) [O...
11:10
플랜지 용접! 배관기능장,에너지기능장,에너지산업기사,가스기능사
24:29
Revealing The SPECIAL TECHNIQUE Of A Pakistani Man To EXTRACT GOLD From Used Motherboard Waste
13:22
강관 파이프 나사산 가공(6)
30:05
Energy Management Technician Practical Skills | Energy Management Industrial Technician Practical...
8:02