... 机械型干式阀 type dry pipe valve 机械式疏水阀 Mechanical trap 伺服电动机操纵阀 机械驱动阀 operatedvalve ...
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Mechanical steam trap 机械型蒸汽疏水阀
mechanical type trap 机械型疏水阀
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Sethu Sethunarayanan worked with a mechanical engineer to design a steel trap.
他与一位机械工程师合作，设计了一种钢质捕鼠器。
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And there are fewer mechanical parts to go wrong, and less open ports to trap dust inside your new portable computer.
FORBES: Beware The False Economy Of Extra Storage On Your Samsung Galaxy S4
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