optical instruments such as microscopes and telescopes显微镜和望远镜等光学仪器Telescopes and microscopes are optical instruments.望远镜和显微镜是光学仪器.Telescopes and microscopes magnify.望远镜和显微镜能放大....
You're faced with ending it all, of squandering what was given.把到手的东西就这样随随便便弄掉.I see all this potential And I see squandering.你们的潜力都被浪费了.The only true happiness comes from squandering ourselves for a purpose!唯一的真正幸福...
环纹滚刀可以实现高效率的径向进给滚齿加工.The ring teeth hob can realize high efficient radialfeedhobbing.重型移动滚刀架, 长行程.Heavy duty shifting hob head , with long shifting travel.齿刀是怎么演变成齿轮滚刀的.Transformation from Rack - type Geer Cutter into Ge...
In the case of rimming steel, no or some deoxidation is carried out before casting.沸腾钢在铸锭前不脱氧或轻度脱氧.With small portion to be scrapped rimming steel has a high yield of good steel.由于废弃的部分小,沸腾钢的成材率较高....