我来这里是为了去接你的时间，但火车晚点了，火车站告诉我那是未知的火车将何时到达石家庄。
I came here to pick you up on time, but the train was late and the railway station told me that it was unknown when the train would arrive at Shijiazhuang.
您好。您能告诉我最早到达石家庄的时间吗？
Hello. Can you tell me the earliest time for me to get to Shijiazhuang?
以45钢、A3钢、炮钢、20钢为金属试样，研究它们在中性盐雾加速试验及石家庄大气环境暴露试验中腐蚀失重与时间的变化规律。
The correlativity between neutral salt spray accelerated test and atmospheric corrosion test in Shijiazhuang was studied by the mass loss determination of 45 steel, A3 steel, 20 steel and gun steel.
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