英语翻译Turnouts will normally be laid without cant working draw

英语翻译
Turnouts will normally be laid without cant working drawings of all turnouts shall be presented by the contractor to the engineer for approval before placing the order with the manufacturer.
原文
Turnouts shall be 1 in 16,1 in 12,1 in 10,and 1 in 8 1/2,with built-up crossings,fixed-heel flexible switches with straight planning,all to NRC standard drawings and relevant British standards.Stretcher bars and operating roddings shall be fitted in accordance with NRC drawings.Facing point locks and detectors to signal wires shall be provided where ordered by the Engineer.The use of manual or electric switch drive shall be as directed by the engineer.
Turnouts will normally be laid without cant working drawings of all turnouts shall be presented by the contractor to the engineer for approval before placing the order with the manufacturer.
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2楼是自己翻译的，