The design calculation of heat exchanging system in carbonizing tower are introduced.着重介绍了碳化塔换热系统的设计计算.OBJECTIVE To investigate a quality control method for the carbonizing process.目的:寻找中药炒炭存性的质控手段.There are different ca...
质量流量的数据可借助于密度计而获得.Mass flow information can be secured by using a densitometer.定义密度计内设有样品时的密度为密度尺标的零点.The zero point of the density scale is defined by having no specimen in the densitometer.光学密度计是一种测量胶片感光性能的专用仪器.Densito...
A spokeswoman said the agreement had been declared null and void.女发言人称该协议已宣布无效。The agreement will be considered null and void.该协议将被视作无效。The court ruled that the claim was null and void.法庭裁决此项要求无效....
He'd phoned Laura to see if she was better.他打电话给劳拉看她是不是好些了。Laura landed a plum job with a smart art gallery.劳拉在一家时尚画廊找到了份美差。Laura let out the clutch and pulled slowly away down the drive.劳拉松开离合器踏板，沿车道慢慢驶离。...
Officials from Greenwich Observatory have the clock checked twice a day.格林威治天文台的职员们每天对大钟检查两次.Guy's house was close to the observatory.盖伊的房子离天文台很近.China boasts the world's earliest observatory, built in Nanking ...
They were freed yesterday by their kidnappers unharmed.他们昨天被绑架者释放了,没有受到伤害。He was in direct contact with the kidnappers.他与绑架者有直接联系。Yesterday his kidnappers issued a second threat to kill him.昨天绑匪再次威胁要将他撕票。A hospital is to...