N the last move before an adjournment, which is written down by the player making it, sealed in an envelope, and kept secret from his opponent until play is resumed 封棋的一着 [chess]
Sealed orders; a sealed move in chess .
密封命令；象棋中封棋的一着。
Because those processes aren't exactly friendly to humans, much of this work happens inside sealed Chambers where robot arms move the wafers from one processing station to another.
这些加工过程对人体的危害很大，因此大多数工作都在密封室中进行，机械手臂会把晶圆从一个加工区移到另一个加工区。
The machine structure is compact, rigid good, easy to move, sealed tank-style tracks, tooth chain drive, walk the resistance is small, durable, cutting accuracy and good.
该机结构紧凑，刚性好，便于移动，密封油槽式轨道，齿链驱动，行走阻力小，经久耐用，切割精度好。
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