大家在查： JohnYates Scholem FILMKO 乘隙 *.wav H264 SirCallumMcCarthy feriatus 阿卜杜勒瓦哈卜本尼·麦卡锡

截门

n.valve

截门

截门

1

closed -doors were closed along the centerline mobile valve seat .

截门形关闭件沿着阀座的中心线移动。

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