原子荧光光谱仪主要由()、()和()三部分组成。
参考答案:激发光源;原子化器;检测器
The process of lowering a boom to a horizontal position and onto its deck support is called().
A.spotting a boom
B.collaring a boom
C.cradling a boom
D.toppling a boom
沥青防水卷材冷粘贴法施工工艺顺序有哪些?