The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is

The distance between the theoretical noses of crossing along the same

1.	The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» B. [B].

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The distance between the theoretical noses of crossing along the same rail, in case of diamond crossing, is

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