铁砧引擎 anvil engine
磁铁引力 magnetic pull
牵引电磁铁 tractive electro-magnet ; tractive magnet
铁帽引线接力机 Iron Screw Lead Relay Machine
牵引式电磁铁 Traction Solenoid
铁路牵引 rail traction ; railway traction
铁引条 metal frame runner ; glossal canal
榫状铁引条 castellated trip of metral
铁道牵引动力 railway motive power ; railway traction power
人们首先发现了磁石引铁的性质。
It cited the first to discover the magnetic properties of iron.
因此，中国铁道建筑总公司组织石家庄铁道学院、铁十五工程局有关科研人员，在“引大入秦”工程24号隧洞开展软管通风技术的研究和试验。本文是该课题的部分测试结果。
Hence, flexible pipe ventilation technique is developed and tested in the No. 24 tunnel of a water engineering some of the test results are introduced in this paper.
应用推荐