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桩径不大于1500mm时埋设三根声测管,检测剖面为3个;桩径大于1500mm时,应埋设四根管,检测剖面( ):
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声波透射法测定基桩完整性,混凝土灌注桩的检测宜在( )进行。( )::
声波透射法测定基桩完整性,现场测量声测管的内、外径,是为了( ):
The Reverend Nelson wrote that his (1) as a "simple,old-fashioned principal" had ended with schools (2)such swift changes he had retired in self doubt. "I heard more of what I (3) than what I did right." he said, adding that my letter had brought him(4) that his career had been (5) .A glance at Grandma's familiar handwriting (6) in a flash memories of standing alongside her white rocking chair, watching her "settin' down" some letter to (7). Character by character, Grandma would slowly (8)one word, then the next, so that a finished page would (9)hours. I wept over the page (10) my Grandma's recent hours invested in expressing her loving gratefulness to me----whom she used to diaper!
声波透射法测定基桩完整性,现场测量相邻声测管外壁间的距离,是为了( ):
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