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[判断题]
采油(气)树换装防喷器操作规程要求现场核实采油(气)树、四通高度及管挂、双公短节长度,设计取送工具的长度。()
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A.35
B.21
C.14
D.8
A.1-2
B.2-3
C.3-4
D.5-10
A.550-650
B.700-800
C.800-900
D.900-1000
拨游梁式抽油机驴头时,把方卡子卡在采油树防喷盒以上()处光杆上。
A.0.1~0.2m
B.0.2~0.3m
C.0.3~0.4m
D.0.4~0.5m