valve stem

基本解釋

These diaphragms prevent leakage along the valve stem.
這些橫膈膜防止了沿著閥桿的泄漏。
Streng then the valve stem of the size independently, cooperate have guaranteed the valve stem, to neutral and stability.
獨立加大尺寸的閥桿，配合閥桿定向桿，保證了閥桿的對中性及穩(wěn)定性。
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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.
閥桿日開始，你給一個四分之一轉(zhuǎn)，再算上三輻條和加強四分之一轉(zhuǎn)，因此左右車輪上。
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