unique riser position 唯一的提升器位置
You might need a riser to help lift your laptop or monitor to a good, eyeballs-dead-center position.
可能你会需要一个架子来保证你的笔记本或者显示器处于一个良好的、在你视线正中的位置。
The changes of place and size of casting hot spot with the time are based on structure of casting, material of mould and the position of gate and riser.
热节的位置、大小受铸件结构、铸型材质和浇冒口系统的开设位置所影响。
The position of the float on the riser should be fixed through calculation and site test and adjusted when necessary.
浮漂在升降管上的位置确定，应先通过计算，然后在现场试验，不断调整。
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