- theoretical point of frog
- 轍叉 frog
- 心 the heart
- 軌 rail; track
- 理論 theory
- 尖端 pointed end; external centre ...
- 轍叉心軌尖端 actual point of frog
- 尖軌理論尖端 theoretical point of switch rail
- 轍叉理論尖端 theoretical nose of crossing
- 轍叉尖端和理論尖端間的距離 distance between nose and fine nose
- 轍尖理論尖端 vertex of switch
- 實(shí)際轍叉心, 轍叉實(shí)際尖端 actual nose of crossing
- 轍叉心 frog centre
- 可動(dòng)心軌轍叉 movable-point crossing; movable-point frog; movable-pointcrossing
- 銳角轍叉, 硬角叉心 acute frog
- 統(tǒng)計(jì)定軌理論 statistical orbit deter mination theory; statistical orbit-determination
- 轍叉實(shí)際尖端 blunt nose
- 固定心軌式轍叉 rigid crossing
- 鋼軌組合錳鋼叉心轍叉 rail bound manganese steel frog
- 轍叉理論中心 theoretical centre of frog
- 轍叉 [鐵道] frog◇轍叉導(dǎo)軌 lead of crossing
- 尖端 1.(尖銳的頂端) pointed end; external centre; external point; nib; tip; acme; peak 標(biāo)槍的尖端 the point of a javelin2.(發(fā)展得最高的) most advanced; sophisticated; apex; frontier; point 尖端產(chǎn)品 highly sophisticated products; 尖端技術(shù) sophisticated technique; 尖端科學(xué) most advanced branches of science; frontiers of science; advanced science; top sciences; 尖端武器 sophisticated weapons
- 叉心顆石 chiasmolithus
- 交叉心臟 criss-cross heart
- 轍叉,岔心 frog
- 轍叉環(huán) frog ring
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