切纸机属于4等安全风险的危险机械.Paper cutting machine belongs to 4 security risk of dangerous machinery.我们主要致力于 中高档 电脑程控切纸机的 研发 、 生产.We are committed to high - end computer qzyk of r & d, production.专业维修: 各种规格 、 型号胶印机 、 晒版机 、 切纸机号码机等.P...
Glycol is oxidized rapidly by it to oxalic and glycolic acids.乙二醇迅速地被它氧化,生成草酸和羟基醋酸.The result showed that polyethylene glycol diglycidyl ether cross linked sericin obviously.结果表明,聚乙二醇缩水甘油醚对丝胶蛋白具有明显的交联作用.Miraculin is an a...
计算机占去该国商业用电的5%。Computers account for 5% of the country'scommercial electricity consumption.研究人员用电来刺激那块肌肉。The researchers stimulated the muscle electrically.用电解法可以把水分解为氧和氢.Water can be reduced to oxygen and hydrogen ...
我的护目镜一直有水雾,所以我看不见.My swimming goggles keep steaming up so I can't see.滑雪者都戴上护目镜使眼睛不受阳光伤害.Skiers wear goggles to protect their eyes from the sun.为了免受烟雾危害，你必须戴上护目镜和面罩。You must wear goggles and a mask that will protect...