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    Ordinary Engine Piston and Large Engine Piston
    0:11

    Ordinary Engine Piston and Large Engine Piston

     10  views
    The repairman rebuilt and made the electric lengthened trolley.
    0:18

    The repairman rebuilt and made the electric lengthened trolley.

     10  views
    Maintenance routine of mechanic
    0:12

    Maintenance routine of mechanic

     10  views
    Handicraft works of mechanic
    0:17

    Handicraft works of mechanic

     10  views
    The mechanic dismounted the brake disc.
    0:07

    The mechanic dismounted the brake disc.

     11  views
    Is the skill of tying rope worthy of praise, collection and preservation?
    0:12

    Is the skill of tying rope worthy of praise, collection and preservation?

     10  views
    The equipment for milling cylinder blocks is still quite expensive.
    0:08

    The equipment for milling cylinder blocks is still quite expensive.

     10  views
    The derailment of the washing machine is really terrible.
    0:13

    The derailment of the washing machine is really terrible.

     10  views
    Fan-shaped watering can blows snowflakes at high pressure.
    0:07

    Fan-shaped watering can blows snowflakes at high pressure.

     10  views
    maintenance workmaintenance work
    0:05

    maintenance workmaintenance work

     10  views
    Maintenance workers repair cars daily
    0:11

    Maintenance workers repair cars daily

     11  views
    Automobile sealing strip replacement
    0:13

    Automobile sealing strip replacement

     11  views
    Automobile lamp personality transformation
    0:06

    Automobile lamp personality transformation

     11  views
    Clean an old car that has been in the warehouse for a long time
    0:17

    Clean an old car that has been in the warehouse for a long time

     11  views
    Detailed display of heavy motorcycle configuration
    0:17

    Detailed display of heavy motorcycle configuration

     11  views
    Automobile engine internal configuration display
    0:14

    Automobile engine internal configuration display

     11  views
    Personalized automobile accessories
    0:06

    Personalized automobile accessories

     11  views
    The repairman sticks the car protective film, and the process is too decompression.
    0:16

    The repairman sticks the car protective film, and the process is too decompression.

     11  views
    Maintenance of automobile brake discs, replacement of brake pads
    0:16

    Maintenance of automobile brake discs, replacement of brake pads

     1.66K  views
    The state of this engine when it starts.
    0:10

    The state of this engine when it starts.

     11  views