您要查找的是不是:
- brittle resistance sulphur black 防脆硫化黑
- Study on Improving Quality of Yarns Dyeing by Sulphur Black Dyes 对提高硫化黑纱线染色质量的措施探讨
- The Dyeing Performances and Checking Ways of Water -soluble Sulphur Black BR 水溶性硫化黑BR染色性能和检验办法
- Sulphur can be used to make gunpowder. 硫磺可以用来制造火药。
- Sulphur was not identified as an element until1810. 1810年以前还没有认出硫是一种元素。
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪,向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动,驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- wer are the leading manufacturer and exporter of all kinds of sulphur black and sodium hyposulfite . 主要供应各种规格的硫化黑和大苏打(海波)。硫化黑的年供应量为2万吨,并将进一步扩大车间容量和产品种类。
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。