The refractory insulating bricks were produced , taking alumina, soft clay, cyanite al as raw materials. 以工业氧化铝 、 结合粘土 、 蓝晶石等为原料,应用聚苯乙烯球烧先注和可塑成形法研制成功了耐火隔热砖.
They hitchhiked around Europe.他们一路搭便车周游欧洲。Neff hitchhiked to New York during his Christmas vacation.内夫在圣诞节假期里搭顺风车去了纽约。Neff hitchhiked to New York during his Christmas vacation...内夫在圣诞节假期里搭顺风车去了纽约。I have hitchhiked in 192...
We would hope to be able to give a considered response to the unions' proposals by the end of the year.对于工会的提议，我们希望能在年底之前给出一个成熟的答复。If he demands too much, the unions will vote him down.如果他要求太多，工会就会投票撤换他。The trade un...