base-bar

例句：

1. 1. The base-bar of the table is too low for my height.
   桌子的基板对我来说太低了。
2. 2. The engineer used a base-bar to support the heavy machine.
   工程师使用一个基板来支撑这台重型机器。
3. 3. The base-bar was designed to hold the weight of the machine.
   基板的设计是为了承受机器的重量。