metering line

例句：

1. 1. The engineer used a measuring tape to measure the length of the wall.
   工程师使用测绳来测量墙壁的长度。
2. 2. The surveyor marked the measurable points along the line with stakes.
   测量员沿着这条线用桩标出了可测量的点。
3. 3. The construction crew used a measurable line to ensure the wall was level.
   建筑工人使用一条可测量的线确保墙壁是水平的。