diaphragm valve是什么意思 diaphragm valve怎么读
diaphragm valve的用法和样例
- "A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more."
"科幻小说不能简单地看成是供消遣的，而实际上它给读者展示更深刻的内容。" - The most sophisticated runner design is the valve gated hot runner design.
最讲究的流道是针阀式热流道设计。
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