你应该注意到防护围栏的模型有一半是陷在了地板里。我们现在就把它升上来。
You may have noticed that the fence model is stuck half-way into the floor. We are going to move it up now.
防护装置：机床配置全封闭或半封闭防护罩，各向导轨均配置防护罩装置。
Guard device: The machine tool is equipped with totally enclosed or semi-enclosed guard. Each guideway with protection hood.
半封闭防护，安全可靠。
2波形护栏板是一种半钢型防护设施，韧性很好，车辆撞击时，能圆滑的国家，迫使车辆回到正常的线。
2 waveform guardrail plate is a semi steel protective equipment, toughness is very good, the impact of the vehicle, able to smooth the country, forcing the vehicle back to the normal line.
据研究称，尽管86%的调查对象对网络安全问题表示关注，可只有不到一半的英国人用专业的防护软件。
Fewer than half of Britons surveyed used any specialist protective software, even though 86% were concerned about Internet security.
据研究称，尽管86%的调查对象对网络安全问题表示关注，可只有不到一半的英国人用专业的防护软件。
Fewer than half of Britons surveyed used any specialist protective software, even though 86% were concerned about Internet security.
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