英语词汇ballastless track怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	ballastless track
释义	ballastless track 简明释义无碴轨道网络释义 1 ?无碴轨道 ... 有碴轨道ballasted track 无碴轨道ballastless track 线路track;permanent way ... 2 ?无砟轨道 ...无砟轨道（ballastless track），是指采用混凝土、沥青混合料等整体基础取代散粒碎石道床的轨道结构统称为无砟轨道。短语 1 ballastless track bed 无砟道床 2 double-block ballastless track 双块式无砟轨道 3 twin-block ballastless track 双块式无碴轨道双语例句 1 The key of the ballastless track lies in the structure strength, lateral stability, stiffness uniformity, elastic buffer and durability. 无碴轨道结构设计的关键在于强度、横向稳定性、刚度均匀性、减振性和耐久性。 2 Ballastless track on soil subgrade has been already widely used on high-speed railway abroad, but it is just at the starting stage in China. 土质路基上的无碴轨道在国外高速铁路上已得到广泛应用，而在我国却处于刚起步阶段。 3 The interference of the traction current is one of the important subject in the major of railway signal. The use of ballastless track will influence it's condition. 牵引电流干扰是铁路信号专业的一个重要课题，采用无砟轨道之后会给轨道电路抗牵引电流干扰带来一定的影响。
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