A .2000
B .2500
C .3000
D .3500
[单选题]XT-12通井机的滚筒直径是()mm。A .360B .380C .400D .420
[单选题]XT-12履带式通井机钢丝绳最大拉力为()。A .100kNB .80kNC .120kND .150kN
[单选题]XT-12通井机的滚筒长度是()mm。A .900B .910C .920D .930
[单选题]XT-12履带式通井机滚筒直径是()。A .350mmB .360mmC .370mmD .380mm
[单选题]XT-12通井机的高度为()m。A .2.438B .2.638C .2.838D .3.038
[单选题]XT-12通井机的宽度为()m。A .2.456B .2.789C .3.123D .3.345
[单选题]XT-12履带式通井机钢丝绳最大拉力为()。A.100kNB.80kNC.120kND.150kN
[单选题]XT-12通井机的前后长度为()m。A .4.97B .5.27C .5.97D .6.17
[单选题]XJ450修井机钢丝绳直径是()mm。A .16B .26C .36D .46
[单选题]XT-12通井机滚筒刹车块与车轮网之间的正常间隙为()mm。A .5.5~6.5B .4.5~5.5C .3.5~4.5D .2.5~3.5