The leading companies recoiled from the murderous crossfire from the pillboxes.

先头部队受到掩体中交叉火力的攻击而撤退.

Behind the pillboxes were more lines of barbed wire and more trenches and dugouts reinforced with concrete to withstand artillery bombardment.

在这些机枪碉堡后方是更多的铁丝网、更多的壕沟，以及使用混凝土进行强化并能承受炮火轰击的掩蔽部。