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[主观题]
When the actual labor hours is less than the budgeted labor hours for producing the same quantity of products, favourate efficiency variance will occur.
提问人:网友feiyeabcom
发布时间:2022-01-07
For a standard external involute spur gear,,
,
, (1) when actual center distance
, find meshing angle
and pitch circle
. (2) when meshing angle
, find actual center distance
,pitch circle
and clearance
. (3) compare the ratio of
for the above two cases.
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