Bed material samplers, as first developed , may be divided into three types.最初的河床质取样器有三种类型.In this paper the performance of two kinds of samplers sintered metal filter is evaluated.本文介绍温、湿度变化对两种改进型被动式活性炭累积氡采样器吸附性能的影响....
Perhaps he should have a more updated look, a more contemporary style...也许他应该有一个更新的形象，更具时代性的风格。Perhaps I killed a Jedi and took it from him.那也许我是杀了绝地武士缴获的呢.The use of brush and spray methods is perhaps best known to the ...
他被视为奥尔森先生理所当然的继任者。He was seen as Mr Olsen's heir apparent.奥尔森先生总是回避指定继任者。Mr. Olsen has always avoided anointing any successor.“ 好的, 先生, "奥尔森说." All right, sir,'said Olsen....
There were many riot policemen with batons.有许多带警棍的防暴警察.Choruses have always been associated with long dresses, swallow - tailed coats and batons.长裙 、 燕尾服、指挥棒是提起合唱首先让人想到的.Such as: to punch knives, batons and other embossi...