diamond crossing
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.
铁路固定设备。带有固定转辙器菱形交叉的组合式普通交叉和铸造交叉钝角。带有可移动转辙器菱形交叉的组合式普通交叉的铸钢支架。检验。
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