这样就产生了目前各种船舶上普遍应用的回声探测仪.So was born the echo - sounding apparatus, now in general use in ships.大多数共振质量探测仪是由巨大的圆柱形铝棒构成.Most resonant mass detectors are made of large, cylindrical aluminum bars.建造共振质量探测仪不像建造激光干涉计探测仪那么昂贵.Re...
He authorized me to act for him while he is abroad.他授权我在他出国期间代行他的职务.The 1933 Agricultural Adjustment Act had also authorized marketing agreements and orders.1933年的农业调整法也承认市场合同和指令.It has been authorized by another legal n...
The vibrating centrifugal dehydrator and scraper discharge centrifugal dehydrator are usually used in coal mine industry.振动离心脱水机与刮刀卸料离心脱水机是煤矿常用的两种离心脱水机.From time to time a scraper is passed through the pipeline to remove...