In a four-stroke engines the camshaft rotates at （）.
Anchor（） are used in some installations where the cable lifter rotates about a vertical axis.
If a diesel engine rotates slowly when cranked, but does not fire, the（）
The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives （）.
The rotor of the hydraulic motor rotates at a speed proportional to the （）.
The hot expanding gas rotates the blades of the exhaust turbine, thus （） a large of its power, （） drives the compressor.
In a four-stroke engine the camshaft rotates at （）.
When a point rotates about an axis and, at the same time, moves parallel to that axis, it describes （）.
The hot expanding gas rotates the blades of the exhaust turbine, thus giving out large part of its power, which drives （）.
In a four-stroke engine the camshaft rotates at （）.
