field fortifications การใช้

• None of the troops were ordered to construct field fortifications.
• After dark, Lee withdrew to prepared field fortifications along Mine Run.
• In mid-1940, the preparations relied heavily upon field fortifications.
• Fortification is usually divided into two branches : permanent fortification and field fortification.
• The field fortifications were constructed mostly to the west of the city limits.
• He constructed the field fortifications of Anklam and Stralsund.
• It could be fired from an pillboxes and other types of field fortifications.
• Instead field fortification rose to dominate defensive action.
• Abatis is a military term for a field fortification made by cutting down trees.
• The Serbs also established a series of field fortifications blocking the approach to Nia
  .
• A semicircle of field fortifications was created.
• Engineer stores were rushed forward to repair captured caves, quarry entrances and field fortifications.
• The vast majority of the Mannerheim Line was merely composed of trenches and other field fortifications.
• The material effect depends on circumstances, as well-covered field fortification provide much protection.
• Both places were surrounded by field fortifications and Gallabat was held by a colonial infantry battalion.
• Poles attempted to regroup at the heavily fortified line of German World War I field fortifications.
• They were also used against field fortifications, for clearing minefields and for breaching barbed wire.
• The gun was intended for destruction of light field fortifications and openly placed personnel by direct fire.
• Defensive positions ran the gamut-from imposing castles, to field fortifications with trenches and ramparts.
• That Fort & Bridge form one of the best and strongest field fortifications ever erected against Indians ."