一个人如何选择无车的生活使他的邻居，他的社交圈，和他自己带来更多的火花。
How one man's choice to live car-free brought him more in touch with his neighbors, his community, and himself.
柴油机因其马虎粗糙的无火花塞点火方法，而素有烟雾弥漫和刺鼻难闻的恶名。
DIESEL engines, with their rough-and-ready, spark-plug-free method of fuel ignition, have a reputation for being smoky and smelly.
作为多旋翼微直升机的驱动器，微型无刷直流电动机具有结构简单、制造方便、无换向火花等特点。
As the driver of the micro multi-rotor craft, the micro BLDC motor was of simple structure, easy fabrication, non commutation spark and so on.
本文论述了宽调速比直流电动机无火花换向区曲线分散的基本原因，并给出工程控制措施。
The paper introduces the basic cause of the sparkless space dispersion for DC motor with the wide adjustable speed ratio, and gives the control methods of projects.
不锈钢立柱、无火花截齿、刮板机整体强化等产品研发，掌握了部分煤矿设备零部件的再制造技术，具备了较强的生产能力。
Stainless steel column, no spark cutter, scraper to be strengthen development, master some of the coal mining equipment spare parts re-manufacturing technology with a strong production capacity.
不锈钢立柱、无火花截齿、刮板机整体强化等产品研发，掌握了部分煤矿设备零部件的再制造技术，具备了较强的生产能力。
Stainless steel column, no spark cutter, scraper to be strengthen development, master some of the coal mining equipment spare parts re-manufacturing technology with a strong production capacity.
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