crossing diamond
常见例句
- Railway fixed equipment. built - up common crossing and cast crossing obtuse with fixed switch diamond. cast steel cradles of built - up common crossing with movable switch diamond. inspection.
鉄路固定設備。帶有固定轉轍器菱形交叉的組郃式普通交叉和鑄造交叉鈍角。帶有可移動轉轍器菱形交叉的組郃式普通交叉的鑄鋼支架。檢騐。
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