焊接检验的一般过程是什么？
测向天线的D/λ值越大，则对下列（）情况越有利。 ["提高测向机的灵敏度","抗波前失真","提高天线增益"]
From the ship owner’s point of view,（）is the most important advantage Inmarsat providing with. ["business opportunity","good-quality radio telephone conversations","telex service","both B and C"]
word 2010正常启动后会自动打开一个名叫文档1的新文档“文档1”是这个文档的（）文件名。 ["新的","正式","临时","旧的"]
消防车载泵在调整水泵密封时水泵压力应当在35Kpa运行。
焊接检验的依据是什么？
