Who knows what the design criteria for machine parts are, and how they are designed?

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Do I need bearings with seals or sheilds for my longboard?

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I just changed my wheel bearings on one front wheel. I hear a 'clunk' when going around corners left and right

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What are the advantages of helical gears over plain gears?

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Mayo Clinic in Rochester Minnesota and Mitral Valve Prolapse?

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I would like to ask the bearing seat of the hair, what processing methods? What are the advantages and disadvantages of various processing methods?

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Can the numerical control system for stepping into the motor can be used for private motor

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Which full valve guitar amplifier should i buy?

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What are the standards for the pipe connections at both ends of the cone pipe?

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What does dropping a valve seat mean?

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Any suggestions..?

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How to change rod bearings on Pontiac Montana - Chevy Venture?

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How does the gear radial runout tolerance affect the gear drive?

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Is the nu240em cylindrical roller bearing split?

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What parts are cast and which parts are forged 20

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Basic knowledge of die fitter

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what is the proper type valve for a main shut off inside a house?

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Why can't the tooth width of straight bevel gear be too big?

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Pay attention to the problem of spherical roller bearings

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What is the problem of the hydraulic pump shaft on the hydraulic head in the last eight turns?

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In the case of ac motor, the voltage will be higher or lower when the voltage is constant

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Which is more durable, polyester filter cloth or polypropylene filter cloth?

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In DNF, is the weapon forged, and if it fails, will the weapon disappear?

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Tire Valve Stem cracked?

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I ask what is the centrifugal pump mouth ring, impeller mouth ring?

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After a bout with bacterial endocarditis, scar tissue often stiffens the edges of the heart valves.?

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What are the advantages of ball bearings compared with ball bearings?

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What is a step motor

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Because the water pressure of the booster pump is not enough, it can not work automatically. It can only be operated by hand. It is inconvenient to use.

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Basic process of free forging

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