They have purged thousands from the upper levels of the civil service.他们从上层文职部门清除了上千名公务员。The iron in the chemical compound must be purged.化学混合物中的铁必须清除.During 1937 the German museums were systematically purged of " degene...
Liquidize the mixture and then pass it through a sieve.将混合物打成泥状，然后用滤网滤一下。It is worth taking the trouble to sieve the fruit by hand…值得费点劲用手挑挑果子。This paper introduces the purification and liquification technology of LNG an...
In many instances isocyanates react vigorously with water, alcohols, and amines.在许多情况下异氰酸酯同水, 醇和胺发生猛烈的反应.The carbene also reacts with alcohols.碳烯也可与醇反应.Both the alcohols and aldehydes are secondary products of the oxidat...
Many firms are focusing on increasing their markets overseas.许多商行都专注于扩大国外市场.Society's march toward ever-increasing materialism was continuing.社会继续向日益高涨的物质享乐主义方向发展。Increasing of anoxic phasefavourable to reduce the p...