Subsequently, the effects of subgrade freeze-thaw condition, running speed and width of rail gap on the vibratory load from trains were investigated.
据此，研究了北麓河试验段路基冻融状态、列车行驶速度、轨缝宽度对路基列车行驶振动荷载的影响。
On most of the lines, there are protective doors on the platform to prevent people from falling onto the rail, and the gap between platform and train is only about 15 centimeters or less.
大部分线路的站台上都有防护门，防止乘客坠落，站台与列车之间的缝隙不到15厘米。
It is not just crime. Brazil's rail, road and airport facilities require daunting investment. The vast gap between rich and poor is immediately evident.
犯罪不是唯一的问题。巴西的铁路、公路、机场设施均需要惊人的资金。贫富之间的巨大差距一目了然。
The rail exactly filled the gap in the fence.
这根横杆恰好能填补围栏上的空当。
C. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. D.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
D. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. E.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
D. Guide rail of impeller stopper adopts high hardness, good abrasion linear rails, and with small gap, high hardness ball screw lead, ensures stability and high precision for paper pushing. E.
推纸挡规导轨采用硬度高，耐磨性好的线性导轨，再配以间隙小，硬度高的滚珠丝杆，最大保证了推纸的平稳性和高精度性。
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