钢网制作技术包括化学腐蚀, 激光切割和电铸.Stencil manufacturing techniques include chemical etching, laser cutting and electroforming.电铸镍锰合金因其特殊的性能而具有重要的应用前景.The electroformed Ni - Mn alloys hold good prospects for its specific performance....
当他听到伦尼尖叫的声音时仍然在笑.He was still laughing when he heard the rasp of Rennie's voice.在4万名尖叫的球迷面前打比赛是一次非常棒的经历。To play in front of 40,000 screaming fans was a great experience.他听到远处有一群小驯鹿尖叫的声音.Afar off he heard the squawki...
雌土豚一般一年只产一仔.Female aardvarks typically give birth to one newborn each year.再近距离仔细观察就会发现, 土豚身上似乎还有其他动物的特征.On closer inspection, aardvark appears to include other animal features as well.随意的看上一眼土豚的身躯和它那长长的猪形鼻子,我们立刻就会想起猪.A ...