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    Ordinary Engine Piston and Large Engine Piston
    0:11

    Ordinary Engine Piston and Large Engine Piston

    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.

    The repairman rebuilt and made the electric lengthened trolley.
    10 views
    Maintenance routine of mechanic
    0:12

    Maintenance routine of mechanic

    Maintenance routine of mechanic
    10 views
    Handicraft works of mechanic
    0:17

    Handicraft works of mechanic

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

    The mechanic dismounted the brake disc.

    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?

    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.

    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.

    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.

    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

    Maintenance workers repair cars daily
    11 views
    Automobile sealing strip replacement
    0:13

    Automobile sealing strip replacement

    Automobile sealing strip replacement
    11 views
    Automobile lamp personality transformation
    0:06

    Automobile lamp personality transformation

    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

    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

    Detailed display of heavy motorcycle configuration
    11 views
    Automobile engine internal configuration display
    0:14

    Automobile engine internal configuration display

    Automobile engine internal configuration display
    11 views
    Personalized automobile accessories
    0:06

    Personalized automobile accessories

    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.

    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

    Maintenance of automobile brake discs, replacement of brake pads
    11 views
    The state of this engine when it starts.
    0:10

    The state of this engine when it starts.

    The state of this engine when it starts.
    11 views