qtr的音标

QTR Company has emptied the freight yards of Xining Railway Station and Xining West Railway Station so as to expand the unloading capacity to the maximum extent for the arrived quake-relief trains.

青藏铁路公司已把西宁站和西宁西站的货场全部腾空，最大限度的扩大卸车能力，用于救灾物资到达后的卸车和转运；

With the simulation of the procedures of temperature descending and ascending in day and night on QTR, the temperature difference between steel and concrete were tested with FZS Temperature Auto Testing System.

采用FZS型温度数据自动测试系统，模拟青藏线昼夜降温、升温过程，对钢与混凝土的温差做了测试。

Therefore, studying on subgrade state in permafrost during QTR' operation is a premise of assurance of its long-term, safe and reliable operation in permafrost region.

因此，开展运营期多年冻土区路基工程状态的研究，是保证青藏铁路多年冻土区路基工程长期、安全、可靠运营的前提。