Detonate
发表于 2025-3-23 13:47:05
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Jejune
发表于 2025-3-23 17:07:07
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Cognizance
发表于 2025-3-23 21:04:29
Engineering materials,Manufacturing industry uses a large variety of materials for the manufacture of goods today. Among the most important of these are ., and .. Different kinds of metals and alloys are required for different purposes, and the diagram given below shows some of the metals and alloys that are in common use.
Meditative
发表于 2025-3-23 22:42:18
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懒鬼才会衰弱
发表于 2025-3-24 05:02:47
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Hormones
发表于 2025-3-24 08:32:09
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overture
发表于 2025-3-24 13:56:01
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antenna
发表于 2025-3-24 16:58:55
The transmission of power,A working machine is composed of many components, some of which are static and some of which are moving. There are many kinds of motion, of which ., ., and . are among the most important.
Cantankerous
发表于 2025-3-24 21:28:17
Gears and gearing,Gears (or gear wheels) are . which are usually used to couple two or more rotating shafts. The shafts may be rotating at the . or at . .?and can have axes which are pointing in the . or in . .. The . of the . of two shafts coupled by gear wheels, depends on the . of the . in the wheels.
Coronary-Spasm
发表于 2025-3-25 00:45:43
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