不宜堵塞炮泥,因为万一炮泥烧结堵死就会使以后的装药工作很麻烦.Stemming is not advisable because it can sinter and complicate later charging.陶瓷元件是将仔细研磨的材料经过加压和烧结制成.Ceramic elements are made by pressing and sintering finely powdered material s.由于微粒易于聚集和...
We doubted him a liar.我们怀疑他是个骗子。They doubted his speeding up steps.他们怀疑他是否能加快步伐。No one doubted his ability...没有人怀疑他的能力。His justness is not to be doubted.他的公正毋容置疑.He doubted if he would learn anything new from Marie...他认为...