安装

• Installation requires several days .
  安装工程需数时日。
• Utility companies could install and maintain them .
  公用事业公司可以安装并保养它们。
• Each succeeding fabricated box is erected on trolleys .
  每段预拼的箱梁安装在小平车上。
• An equatorial mounting of the camera has a great advantage .
  将照相机赤道式安装很有利。
• We put new central heating in when we moved here .
  我们搬到这儿的时候安装了集中供暖设备。
• Flexible tubing can assist in installation in tight space .
  柔性管道便于在紧凑的空间安装。
• The wall panels were bolted to the concrete foundation .
  墙壁镶板用螺栓安装在混凝土地基上。
• It is usual to provide a flowmeter at the column outlet .
  在柱子出口处常常要安装一个流量计。
• For combustible materials, rupture disks should be installed .
  对于可燃材料，应该安装爆破片。
• The wheels were set further back on the original locomotive .
  车轮安装得比原来机车的更靠后些。