你能用拉削技术制作齿轮 吗 ?A : Can you use broaching to make a gear?注意: 在进入拉削时一定要关闭放气开关.Notice: When broaching, make sure that the air escape cock is closed.其中计算所得到的拉削力, 必须小于拉床的实际拉力.Which has been calculated Broaching, and must be l...
Methane is often regarded as the second most important greenhouse gas after carbon dioxide.甲烷常被认为是仅次于二氧化碳的重要温室气体。Methane is said to be hydrophobic.甲烷被称为疏水的.The project is consisted of a modern hoggery, goose house and me...
You could, alternatively, hang onto it in the hope that it will be worth millions in 10 years time.或者，你也可以留着它，指望10年以后它能值个几百万。Alternatively, a reflective type of adhesive containing aluminium powder may be used.此外, 也可采用含有...
他十六岁就从事药学.He just was engaged in the pharmacy 16 years old.采购产品手工的压克力的产品, 相片框架, 药学的礼物, 纸重量, 颁发, 卡片烛台.Handmade Acrylic Products, Photo Frames, Pharmaceutical Gifts, Paper Weight, Award, Card Holder.它是融 纳米 技术 、 光技术净化、触酶(催化...