It can adopt saw cutting or epicyclic cutting type.它可以通过看到切割或行星切割型.This paper analysed the cold die forging technology of automotive epicyclic gears.分析了汽车行星齿轮的冷模锻工艺....
Curious tourists and reporters from around the globe are descending upon the peaceful villages.好奇的游客和记者从世界各地一齐涌向这些平静的村落。The climbers stopped to orient themselves before descending the mountain.登山者先停下来确定所在的位置,然后再下山.The re...
This paper reports a new synthetic method of nickel borate acylate.本文研究了以碳酸镍合成硼酰化镍的新方法.Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.收率相对于丙二酸二乙酯达到了80...
在开始使用前把氢氧化钾电介质压入蓄电池.The potassium hydroxide electrolyte is forced into the cells just before use.碱,拼写为l -y-e,也称为氢氧化钠或者氢氧化钾.Lye - - spelled ly - e -- also called sodium hydroxide or potassium hydroxide.一种强的钠或氢氧化钾溶液.A subs...
在沙漠的尘暴中要想保持方位感是不可能的.To keep your bearings in a desert sandstorm is impossible.对应商末以来大量旱灾、尘暴记载.There were much riot in the end of Shang dynasty.尘暴的时代将卷土重来.The Dust Bowl era will return....