主油路中装有安全阀以控制压缩机轴承中的油压。

Cast iron relief valve in main oil system to control oil pressure to the compressor bearings.

youdao

主油路中装有安全阀以控制压缩机轴承中的油压。

Cast iron relief valve in main oil system to control oil pressure to the compressor bearings.

youdao