阀导承

阀导承 [fá dǎo chéng]

1. ■ valve guide

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常用词组

1. ■ 阀导承护圈 valve guide retainer;

2. ■ 阀导承可胀铰刀 valve guide expansion reamer;

3. ■ 阀导承铰刀 valve guide reamer