tightness 

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n. ���ܣ����

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n. compactness��constriction��meanness��stringency

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n.   dispersion��distribution��looseness��play

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1. Seating load and tightness is dependent on back pressure.
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2. Presents the management methods of air tightness and vacuum degree.
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3. Yes. I have had chest tightness. But I really felt uncomfortable yesterday.
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n.
  1. a state occasioned by scarcity of money and a shortage of credit
  2. a tight feeling in some part of the body
  3. the spatial property of being crowded together
  4. extreme stinginess
  5. lack of movement or room for movement

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tightness
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water tightness
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tightness of
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steam tightness
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smoke tightness
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