12A Fanclub

12A nối vòng tay lớn

Lời chia tay hội khóa

6 tháng 5, 2020

Bảo Khánh - Thử thách 3

Daily English conversation 2

Daily English conversation 4

Daily English for work

Daily English conversation 1

English lesson for everyday conversation

English Dialogues Conversation

Daily English for travel and tourist

Daily English conversation 3

Daily English for office's staff

Daily English for job interview

Learn phrases to speak English fluently

Speaking english conversation practice

English conversation practice

Daily english conversation topic

Hội khóa GVB 89-92

9. Shaft alignment measurement basic

10. Validity Rule

11.Bracket sag and uncouple

8.Vibration on misalignment machinery

7. External connection

6. Soft foot

5. Runout

4. Foundation, baseplates and frames

3. 8 steps of shaft alignment

2. Defination, coupling, alignment tolerance