平直钢尺的规格有()A.(A)150mm,300mm两种;B.(B)120mm,200mm两种;C.(C)150mm,300mm,500mm三种;D.(D)150mm,300mm,500mm,l000mm四种
...的规格有()A.(A)150mm,300mm两种;B.(B)120mm,200mm两种;C.(C)150mm,300mm,500mm[99%]
平直钢尺的规格有()A.(A)150mm,300mm两种;B.(B)120mm,200mm两种;C.(C)150mm,300mm,500mm三种;D.(D)150mm,300mm,500mm,l000mm四种
...的规格有()A.(A)150mm,300mm两种;B.(B)120mm,200mm两种;C.(C)150mm,300mm,500mm[99%]
平直钢尺的规格有()A.(A)150mm,300mm两种;B.(B)120mm,200mm两种;C.(C)150mm,300mm,500mm三种;D.(D)150mm,300mm,500mm,l000mm四种
双壁波纹管公称外径系列为100mm、110mm、125mm、140mm、160mm、200mm。( )[99%]
双壁波纹管公称外径系列为100mm、110mm、125mm、140mm、160mm、200mm。( )
双壁波纹管最小内径系列为86mm、90mm、105mm、118mm、134mm、167mm。( )[99%]
双壁波纹管最小内径系列为86mm、90mm、105mm、118mm、134mm、167mm。( )
A.①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm
B.①:DN100mm,AB:DN150mm,BC...[99%]
A.①:DN100mm,AB:DN225mm,BC:DN150mm,CD:DN125mm
B.①:DN100mm,AB:DN150mm,BC:DN125mm,CD:DN100mm
C.①:DN100mm,AB:DN200mm,BC:DN150mm,CD:DN125mm
D.①...
...有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOm[99%]
塞尺长度通常有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOmm,200mm三种;D.(D)30mm,50mm,80mm,150mm四种
...有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOm[99%]
塞尺长度通常有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOmm,200mm三种;D.(D)30mm,50mm,80mm,150mm四种
...有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOm[99%]
塞尺长度通常有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOmm,200mm三种;D.(D)30mm,50mm,80mm,150mm四种
...有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOm[99%]
塞尺长度通常有()规格。A.(A)20mm,30mm,50mm三种;B.(B)30mm,50mm,80mm三种;C.(C)50mm,lOOmm,200mm三种;D.(D)30mm,50mm,80mm,150mm四种