英语词汇“ballasted track”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	ballasted track
释义	ballasted track 基本例句有碴轨道 So the conventionalballasted trackmust be intensified for high speed and heavy haul railway line, this is a chance for the elastic sle.在高速和重载的条件下传统的有碴轨道结构型式面临着严峻地考验。
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