真空

• In the present chapter we shall assume that the charges or conductors are in otherwise empty space .
  在这一章里，我们将假设电荷或导体都在真空中。
• Other cars use a sealed cap and have separate vacuum-and pressure-relief valves .
  另一种类型的汽车使用密封式油箱盖，并带有独立的真空--压力减压阀。
• The vacuum is picked up from one of the primary-barrel venturis and is called venturi vacuum .
  真空是由主腔中的一个腔的喉管建立的，被称为喉管真空。
• This vacuum, called intake-manifold vacuum, varies as the operating conditions change .
  这个真空叫做进气歧管真空。这种进气歧管真空随运转情况而变化。
• When the engine is shut off, the intake manifold cools and a slight vacuum forms as a result .
  这是因为当发动机熄火时，进气歧管冷却而产生轻微的真空。
• Our assertion that the interstellar gas is definitely no vacuum would seem all the more paradoxical !
  我们坚持星际气体决非真空的主张看来愈发荒谬可笑了！
• He decided to do all he could to produce a still higher vacuum and find out what happened then .
  他决心尽一切力量造成更高的真空度，看看会有什么景象发生。
• However, when the throttle is opened wide, the vacuum is lost and can no longer hold the diaphragm up .
  然而节气门开大时，真空就消失，并且不再向上吸住膜片。
• a vacuum of about 28″hg was applied to the mixer to remove entrapped air from the slurry.
  混合器要配备一部28英寸的真空器，以便除去浆液中截留的空气。
• The surface energy of mica cleaved in vacuum is about ten times that of mica cleaved in air .
  在真空中剖开的云母的表面能比在空气中剖开的云母的表面能大十倍左右。