valve stem
常见例句
- These diaphragms prevent leakage along the valve stem.
这些横膈膜防止了沿着阀杆的泄漏。 - Streng then the valve stem of the size independently, cooperate have guaranteed the valve stem, to neutral and stability.
独立加大尺寸的阀杆，配合阀杆定向杆，保证了阀杆的对中性及稳定性。
www.chinapower.com.cn - Starting at the valve stem you give a quarter turn, and then count three spokes and tighten a quarter turn, and so on around the wheel.
阀杆日开始，你给一个四分之一转，再算上三辐条和加强四分之一转，因此左右车轮上。
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