Adjust the ()(中心稳索), please.A、center tapB、center point guyC、center guyD、center line block
Adjust the ()(中心稳索), please.
- A、center tap
- B、center point guy
- C、center guy
- D、center line block
相关考题:
请调高一下吊杆。()A、Lower the derrick, please.B、Top the derrick, please.C、Swing the derrick, please.D、Adjust the derrick, please.
单选题The parts of the derrick are: derrick boom rest, gooseneck, center guy, stay, topping lift, topping lift block and so on.()A吊杆的部件有:吊杆支架、鹅颈头、中心稳索、支索、千斤索和千斤索滑车组等。B吊杆的部件有:鹅颈头、中心稳索、千斤索、侧稳索、千斤索滑车组和支索等。C吊杆的部件有:中心稳索、侧稳索、吊杆支架、鹅颈头、千斤索、和千斤索滑车组等。D吊杆的部件有:侧稳索、中心稳索、鹅颈头、吊杆支架、千斤索、和千斤索滑车组等。
单选题双吊杆在无载荷时,用()中稳索调整吊杆左右位置。A边稳索B中稳索C保险稳