observation port造句

• It had no observation ports at all, as it did not project appreciably above the surrounding surface.
• The radio operator sat on the left and had his own observation port with the same protection as the driver's.
• The driver sat on the right side of the tank using a observation port protected by of bulletproof glass and an armored shutter thick.
• Out my observation port I sometimes saw a bright flash as we sped downward or watched a lengthy blur of radiance curl into a smaller shape.
• The boiler furnace auxiliary equipment includes coal feed nozzles and igniter guns, soot blowers, water lancing and observation ports ( in the furnace walls ) for observation of the furnace interior.
• Hill drew his revolver, and with his adjutant and a small group of paratroopers advanced on the tanks, firing shots through their observation ports in an attempt to persuade the crews to surrender.
• The gas-tight entrance door ( " Gasdichttur " ) included an observation port by which the behavior of the delinquents ( " Delinquenten " ) could be observed during the course of the gassing.