液壓支架(柱)修理工章節(jié)練習(xí)(2019.04.29)

A.15°
B.25°
C.35°
D.45°

A.600V
B.6KV
C.1140V
D.380V

A.1.8m
B.2m
C.1.6m
D.1.7m

A.0.5%
B.0.65%
C.0.75%
D.1%

A.鎖緊
B.鎖緊限壓回路
C.雙向鎖緊限壓
D.限壓

A.單體液壓支柱支護(hù)
B.采煤機(jī)割煤
C.液壓泵站
D.自移式液壓支架支護(hù)頂板