With the X - frames projecting into the boxes, the transverse diaphragms were formed.把这些 X 框架放进这些箱体, 就成了横隔梁.The diaphragms may be flat or corrugated.膜片可以是扁平的,或是波纹的.These structures were usually skewed with the diaphragms...
Provide graphic depictions of the disastrous consequences of smoking and secondhand smoke.提供描绘吸烟和吸二手烟带来的灾难性后果的图像.Do you know where I can get hold of a secondhand carpet cleaner?你知道我在哪里可以弄到旧的地毯吸尘器吗?I bought a secondhand c...