| 摘要 |
A balance shaft module of an engine, may include a crank sprocket driving gear for receiving a power of a crankshaft of the engine, a crank sprocket driven gear engaged with the crank sprocket driving gear and receiving a power of the crank sprocket driving gear, a first balance shaft arranged coaxially with the crank sprocket driven gear and having a first driving gear to receive a power from the crank sprocket driven gear, and a second balance shaft receiving a power through a second driven gear engaged with the first driving gear.
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