HAVOC
发表于 2025-3-30 09:32:00
978-1-4757-4697-6Springer Science+Business Media New York 1988
尊严
发表于 2025-3-30 15:08:04
Karl-Heinz Goldhorn,Hans-Peter HeinzDuring the last few years, efforts have been made to standardize the products of the industry. This is a very helpful step for engineers designing the projects and for plant operators who have to store spare parts and service equipment. Every effort has been made to include this standardization in this book.
Confound
发表于 2025-3-30 19:20:03
https://doi.org/10.1007/978-3-540-76334-5Machinery generally operates at speeds slower than common fixed-speed power sources; e.g., electric motors, turbines, engines. It is more economical and practical to provide a speed reducer for converting power to the proper combination of speed, torque, and direction than to provide a special slow-speed power source.
Genteel
发表于 2025-3-30 20:46:06
,Einführung in die Funktionentheorie,The skip hoist consists of a bucket mounted on four rollers traveling on a tee rail or angle track structural runway, with or without counterweights or two buckets balancing each other, a winding machine, wire rope, equipment for loading and unloading the buckets, and a system of electrical apparatus and wire-rope sheaves.
浪费物质
发表于 2025-3-31 04:45:06
https://doi.org/10.1007/978-3-322-92727-9This section deals with hoists; jib, gantry, and overhead cranes; and monorail systems.
驾驶
发表于 2025-3-31 05:26:55
https://doi.org/10.1007/978-3-322-92727-9Gates are normally used on the bottom or sides of bins, tanks, or hoppers to feed material onto conveyors for further processing, or into trucks or railroad cars for shipment to other points. Numerous styles of gates are available. Many of these are general-purpose gates suitable for handling coal, sand, crushed stone, etc.
Onerous
发表于 2025-3-31 09:38:59
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Paraplegia
发表于 2025-3-31 16:48:39
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爆炸
发表于 2025-3-31 21:09:40
Introduction,During the last few years, efforts have been made to standardize the products of the industry. This is a very helpful step for engineers designing the projects and for plant operators who have to store spare parts and service equipment. Every effort has been made to include this standardization in this book.
让你明白
发表于 2025-4-1 01:04:57
Drives,Machinery generally operates at speeds slower than common fixed-speed power sources; e.g., electric motors, turbines, engines. It is more economical and practical to provide a speed reducer for converting power to the proper combination of speed, torque, and direction than to provide a special slow-speed power source.