"A science fiction cannot not be regarded as a mere entertainment, but in fact it tells the reader much more." "科幻小說(shuō)不能簡(jiǎn)單地看成是供消遣的，而實(shí)際上它給讀者展示更深刻的內容。"
The most sophisticated runner design is the valve gated hot runner design. 最講究的流道是針閥式熱流道設計。
滬公網(wǎng)安備 31011502000490號
電信業(yè)務(wù)許可證編號：滬B2-20190700
