A.2h
B.12h
C.24h
D.48h
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A.8-10mm
B.10-12mm
C.8-12mm
D.9-11mm
A.4.75mm
B.2.36mm
C.1.18mm
D.0.60mm
A.0.60mm,1.18mm
B.0.075mm,1.18mm
C.0.60mm,2.36mm
D.0.075mm,2.36mm
A.0.01,0.1,0.1,0.1,0.1
B.0.1,0.01,0.1,0.1,0.1
C.0.1,0.1,0.01,1,0.1
D.0.1,0.1,0.01,0.1,0.1
A.16%-39%
B.16%-40%
C.41%-70%
D.71%-85%
最新試題
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,建設(shè)用石可分為碎石跟卵石。()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,檢測(cè)碎石、卵石的實(shí)驗(yàn)室溫度應(yīng)保持在()
依據(jù)GB/T14684-2011標(biāo)準(zhǔn)要求,石粉含量測(cè)定的用亞甲藍(lán)溶液保質(zhì)期不超過(guò)一個(gè)月。()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,做壓碎指標(biāo)值測(cè)定時(shí),按2kN/s速度均勻加荷至200kN并穩(wěn)荷5s。()
依據(jù)GB/T14684-2011,機(jī)制砂的壓碎值需要用到哪些篩子()
依據(jù)GB/T14684-2011標(biāo)準(zhǔn)要求,亞甲藍(lán)試驗(yàn)過(guò)程中所用試紙為快速定性濾紙。()
依據(jù)GB/T14685-2011標(biāo)準(zhǔn)要求,Ⅰ類石子的含泥量要求為()
依據(jù)GB/T14648-2011標(biāo)準(zhǔn)要求,砂的氯化物精確至()
依據(jù)GB/T14684-2011標(biāo)準(zhǔn)要求,亞甲藍(lán)(MB)值測(cè)定應(yīng)篩除2.36及2.36以上的顆粒。()
依據(jù)GB/T14648-2011標(biāo)準(zhǔn)要求,人工四分法過(guò)程中,應(yīng)把砂堆成()mm的圓餅。