为了降低柴油机气缸盖罩的成本，使用板件替代原先的铸铝件。
In order to reduce the cost of the diesel engine cylinder head cover, the panel substituted the original aluminum cast part.
为了降低柴油机气缸盖罩的成本，使用板件替代原先的铸铝件。
In order to reduce the cost of the diesel engine cylinder head cover, the panel substituted the original aluminum cast part.
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