The present invention discloses welding repair method and welding wire for steel rail, Bellfrog and switch rail.
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。
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By turning off the bell — or quack or frog croak — that says "you've got mail!" you'll work more efficiently and can then respond to e-mails when you're ready.
By turning off the bell — or quack or frog croak — that says "you've got mail!" you'll work more efficiently and can then respond toe-mails when you're ready.