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水准测量中丝读数时,不论是正像或倒像,应由小到大,并估读到厘米。()
水准测量中丝读数时,不论是正像或倒像,应由小到大,并估读到厘米。()
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水准测量中丝读数时,不论是正像或倒像,应由小到大,并估读到厘米。()
水准测量中读数,上丝1.866M,中丝1.634M,下丝1.391M,那么视距为23.2M。()
二等水准测量,基辅分划读数差,不得超过()
A.±0.4mm
B.±0.5mm
C.±0.6mm
A.35.15
B.35.95
C.36.15
D.36.95