风险不可能完全消除，但可以通过防范和培训来降低。You could never eliminate risk, but preparation and training could attenuate it.公司在降低成本方面付出了艰苦卓绝的努力。The company has made heroic efforts at cost reduction.抑郁症会降低人体对疾病的抵抗力。Depression lowers the huma...
用黏土模具来浇铸青铜塑像。A clay mould is used for casting bronze statues.最近他们学会了浇铸轻型水泥船.Recently they had learned to cast light concrete boats.采用钢的连续浇铸法很重要.Of great importance is the introduction of continuous steel pouring....
灰分的碱度可能与纤维的细度有关.There is a possibility that alkalinity of ash is related to fiber fineness.在足够的温度和碱度的情况下, 脂护酯可能被水解产生皂类.At sufficiently high temperatures and alkalinity, fatty esters may be hydrolyzed to produce soaps.讨论了...