round bottom die stamping 及圆底模压印痕
Bottom die mximum stroke 底模最大行程
bottom die of sand core 砂芯下模体
Die bottom 模块 ; 芯片接合
upper die bottom 上模座
lower die bottom 下模座
bottom m die 底模
Sand bottom die-casting padlock series, sentinel production "earth" brand iron padlock series, breed diversity, the specification is complete.
砂底压铸挂锁系列,定点生产“地球”牌铁挂锁系列,品种多样,规格齐全。
A piece of hot metal sufficient to slightly overfill the die shape is placed in the bottom die, and the top die is forced against it, so that the metal takes the internal shape of the die.
将一块大小足以充填模腔并能稍有溢出的加热金属放入底模,并将顶模加压合拢,这块金属便获得该模腔的形状。
These organisms absorb carbon dioxide from the atmosphere and take it to the bottom of the ocean when they die, where it stays for thousands of years.
我们知道,浮游生物会吸收大气中的二氧化碳,当它们死亡时会把二氧化碳带入洋底,并在那里停留数千年。
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