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1. The engineer's brakevalve spindle is crucial for the safeoperation of the vehicle.
工程师的制动阀主轴对于车辆的安全运行至关重要。
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2. The engineer's brake valve spindle was damaged duringthe accident, causing a delay in therepair process.
在事故中，工程师的制动阀主轴受损，导致修理过程延迟。
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3. Theengineer's brake valve spindlewas replaced with a new one to ensuresmooth operation of the vehicle.
为了确保车辆的平稳运行，工程师更换了新的制动阀主轴。