1) independent needles
单动针
2) Moveable single probe
移动式单探针
3) pneumatic single-pen recorder
气动单针记录器
4) single needle narrowing
单针收针
5) individual needle selection
单针选针
6) single lightning rod
单针
1.
The through simply analyzing and comparing,the effect of conducting lightning and protected zone of the furcated lightning rod and the single lightning rod have shown that furcating of lightning rod is not is not necessary.
对分叉避雷针与单针的引雷效果和保护范围进行简单的分析对比,由此来说明避雷针分叉没有必要。
补充资料：横针不拈，竖线不动
1.形容妇女懒惰。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条