控制线 (kòng zhì xiàn) — (technical) control line, control wire (used to transmit signals or power); (in statistics/quality control) control limit, boundary line on a control chart

Definition

Examples

• 这条控制线连接了机器和电脑。
  Zhè tiáo kòng zhì xiàn lián jiē le jī qì hé diàn nǎo.
  This control line connects the machine and the computer.
• 在生产过程中，数据不能超过上下控制线。
  Zài shēng chǎn guò chéng zhōng, shù jù bù néng chāo guò shàng xià kòng zhì xiàn.
  During production, data must not exceed the upper and lower control limits.
• 模型飞机的控制线断了一根。
  Mó xíng fēi jī de kòng zhì xiàn duàn le yì gēn.
  One of the control lines of the model airplane snapped.