For sand casting, almost any metal can be cast no limit to part size, shape or weight low tooling cost.
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举一反三
- Sand casting can create complex part geometries that can not be made by any other process.
- Shell-mold casting can produce many types of castings with close dimensional tolerances and good surface finish at low cost.
- Sand castingSand casting, the oldest casting process, consists of
- The<br/>metal box was used for_____. A: carrying bags of sand B: keeping drinking water C: carrying ropes of the basket D: changing weight
- Practice is an absolutely crucial part of almost any EFL lesson.
内容
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Opportunity cost of an action is A: the best choice that can be made. B: the money cost. C: the absolute cost. D: the comparative cost. E: the highest-valued alternative forgone.
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Sand casting pattern design should take ( ) into consideration.
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（挑错题）He isdetermineto hold down his place in the team at any cost. A: is determine B: hold down C: in the team D: at any cost
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In short run the shutdown point is that point at which A: price equals marginal cost. B: average fixed cost equals marginal cost. C: average variable cost equals marginal cost. D: average total cost equals marginal cost.
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If you describe a person’s size or shape， you can use（ ）.。（ ）