center from of crossing
弹簧岔心 spring tongue ; spring frog
岔心趾端 toe of crossing
岔心算轨 tongue rail
岔心护 guard frog
岔心护轨 frog guard
岔心角 frog angle
无岔心道岔 frogless turnout
活动岔心 movable frog
道岔岔心 turn-out frog
自动岔心 automatic frog
·2,447,543篇论文数据，部分数据来源于NoteExpress
本发明公开了一种钢轨、贝尔岔心和尖轨的焊修方法及其焊丝。
The present invention discloses welding repair method and welding wire for steel rail, Bell frog and switch rail.
youdao
罗密欧：你这一箭就射岔了。丘比特的金箭不能射中她的心，她有狄安娜女神的圣洁。
Romeo: Well, in that hit you miss; she's not be hit with Cupid's arrow - she has Diana's wit.
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