词组、短语、俚语及习惯用语 • line a time printing 行印,行印机。 • line adapter 传输线选接器。 • line address 回线地址。 • line alternation 行交替。 • line amplifier 线路[行信号]放大器。 • line amplifier bay 线路放大器架。 • line and dot interlace 行点交织。 • line and staff relation 生产专业与参谋关系。 • line array 线性排列。 • line art 艺术线条。
plumb line
plumb-line的词性: n.(名词)
1. A line from which a weight is suspended to determine verticality or depth. 铅垂线;垂直线:悬挂一重物来测定垂直度或深度的一根线
2. A line regarded as directed exactly toward the earth's center of gravity. 重力线:被认为是准确地指向地球引力中心的一条线