It's a/an _______ long time since we last saw each other.

It's a/an _______ long time since we last saw each other.

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(2009建筑实务I-7)某高程测量,已知A点高程为HA,欲测得B点高程HB,安置水准仪于A、B之间,后视读数为a,前视

(2009建筑实务I-7)某高程测量,已知A点高程为HA,欲测得B点高程HB,安置水准仪于A、B之间,后视读数为a,前视读数为b,则B点高程HB为(  )。A

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(2006房建实务II-42)施工常用的测量仪器有(  )。

(2006房建实务II-42)施工常用的测量仪器有(  )。A.经纬仪 B.物探仪 C.水准仪 D.震动仪 E.全站仪

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Directions: Read the following paragragh carefully. Cross o

Directions: Read the following paragragh carefully. Cross out two sentences tha

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应当标示执行标准的是

应当标示执行标准的是

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