The effects of opening flask temperature and cooling rate on low and high temperature age-hardening alloy casting are tested and studied.
试验研究了开箱温度和冷却速度对低、高温时效型合金时效硬化效果的影响。
These Fieldbuses which are not completely opening to each other are incompatible and their transfer rate is low, further more the communication distance also limits within several kilometers.
这些现场总线之间没有兼容性，开放性不强，而且其传输速率不高，通信距离也限制在几千米以内。
These Fieldbuses which are not completely opening to each other are incompatible and their transfer rate is low, further more the communication distance also limits within several kilometers.
这些现场总线之间没有兼容性，开放性不强，而且其传输速率不高，通信距离也限制在几千米以内。
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