烧结普通砖的标准尺寸是( )。 A: 240 mm ×115 mm×53 mm B: 240 mm ×115 mm×50 mm C: 240 mm ×120 mm×90 mm D: 240 mm ×115 mm×90 mm
烧结普通砖的标准尺寸是( )。 A: 240 mm ×115 mm×53 mm B: 240 mm ×115 mm×50 mm C: 240 mm ×120 mm×90 mm D: 240 mm ×115 mm×90 mm
混凝土抗折试件的(标准的和非标准的)规格为()。 A: 150& times; 150&tim^sf550 (mm) B: 1OO& times; 1OO& times;400 (mm) C: 150& times; 150& times; 600 (mm) D: 150& times; 150&amp: times;450 (mm) E: 150×150×650 (mm)
混凝土抗折试件的(标准的和非标准的)规格为()。 A: 150& times; 150&tim^sf550 (mm) B: 1OO& times; 1OO& times;400 (mm) C: 150& times; 150& times; 600 (mm) D: 150& times; 150&amp: times;450 (mm) E: 150×150×650 (mm)
The earth is nearly ______ the moon. A: 50 time the size of B: 50 times the size of C: 50 times as size as D: 50 times as that of
The earth is nearly ______ the moon. A: 50 time the size of B: 50 times the size of C: 50 times as size as D: 50 times as that of
梁底支撑采用立杆支撑十可调顶托十木方( ) 。 A: 200mm×200 mm B: 50mm×100 mm C: 100mm×100 mm D: 100mm×150 mm
梁底支撑采用立杆支撑十可调顶托十木方( ) 。 A: 200mm×200 mm B: 50mm×100 mm C: 100mm×100 mm D: 100mm×150 mm
The earth is nearly ________ the moon. A: 50 time as big as B: 50 time the size of C: 50 times as size as D: 50 times the size of
The earth is nearly ________ the moon. A: 50 time as big as B: 50 time the size of C: 50 times as size as D: 50 times the size of
In one year rats eat 40 to 50 times __________ weight.
In one year rats eat 40 to 50 times __________ weight.
绞棍的直径一般为() A: 40 mm,长度为500 mm, B: 50 mm,长度为500 mm。 C: 40 mm,长度为600 mm, D: 50 mm,长度为600 mm
绞棍的直径一般为() A: 40 mm,长度为500 mm, B: 50 mm,长度为500 mm。 C: 40 mm,长度为600 mm, D: 50 mm,长度为600 mm
内径百分表的测量范围有()等。 A: (10~18)mm B: (18~35)mm C: (35~50)mm D: (50~100)mm E: (100~160)mm
内径百分表的测量范围有()等。 A: (10~18)mm B: (18~35)mm C: (35~50)mm D: (50~100)mm E: (100~160)mm
智慧职教: 气缸体上平面的平面度误差(50 mm×50 mm)使用极限大于0.10 mm
智慧职教: 气缸体上平面的平面度误差(50 mm×50 mm)使用极限大于0.10 mm
尺寸为Φ50(+0.087/-0.025)的D=_____mm,ES=____mm,EI=_____mm,Th=_____mm;Dmax=____mm,Dmin=____mm
尺寸为Φ50(+0.087/-0.025)的D=_____mm,ES=____mm,EI=_____mm,Th=_____mm;Dmax=____mm,Dmin=____mm