请从电器质量故障角度分析吹塑机挤出系统温度无法检测的原因及如何排解该故障?
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简述吹塑机的气动系统的四大组成部分,并说明各组成部分的作用,各组成部分现场拍照说明,并上传图片。
The men from the two countries met ______ (secret) because they didn’t want the public (公众) to know about their meeting
It was _____ (obviously) to everyone that the child had been badly treated
The teachers are discussing the good points and weak points of_____ ( vary) teaching methods (教学方法)