加热室是多晶硅铸锭炉的关键部件之一.Heating chamber is pivotal part of the polycrystalline silicon ingot production furnace.沸腾钢在铸锭前不脱氧或轻度脱氧.In the case of rimming steel, no or some deoxidation is carried out before casting.常规DC铸造7050铝合金铸锭...
The abettor of our country has tri - nature: independency, dependency and unique nature. Independency is leading.我国教唆犯的性质具有三重性,既具有独立性,又具有可罚程度上的从属性, 同时还具有自己独特的属性, 其中独立性居于主导地位.And it is inadvisable to criminate the abettor...
Condoms are an effective method of birth control if used with care.如果使用得当，避孕套是很有效的避孕手段。Although most condoms contain spermicide, there are some manufactured without.虽然多数避孕套含有杀精剂，但也有一些是不含的。Abstain from sex or use condoms....
Snakes are carnivorous.蛇是食肉动物。Among the carnivorous animals are the leopard, lion, and tiger.食肉动物中有豹子 、 狮子和老虎.'The rat,'said O'Brien, still addressing his invisible audience,'although a rodent, is car...
拥挤的人群和喧闹的噪音可能会让游客有些茫然不知所措。Sightseers may be a little overwhelmed by the crowds and noise.塞巴斯蒂安先生一脸茫然地看着男孩儿们。Mr. Sebastian was looking at the boys with a bemused expression.他边说话边茫然地打量着房间，心不在焉的样子。He looked vaguely around t...