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该泵包括增压机构，吸油油路，压缩腔，排油油路。
It comprises the pressure boosting structure, oil entry, compression cavity and oil exhaust channel.
youdao
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该泵包括增压机构，吸油油路，压缩腔，排油油路。
It comprises the pressure boosting structure, oil entry, compression cavity and oil exhaust channel.
youdao