东风11型机车柴油机气缸盖的摇臂与摇臂衬套间隙原形为（）。 ["A、0.04～0.089mm","B、0.06～0.109mm","C、0.065～0.115mm","D、0.07～0.115mm"]
东风4D型机车柴油机气缸盖的横臂与横臂导杆的径向间隙原形为（）。 ["A、0.055～0.110mm","B、0.065～0.119mm","C、0.070～0.125mm","D、0.075～0.130mm"]
掌推法、掌擦法、掌抹法有何异同点？
气缸盖水腔进行0.5MPa的水压试验时，保持（）不得泄露。 ["A、4min","B、5min","C、8min","D、10min"]
掌推法、掌擦法有何异同点？
一指禅推法、一指禅偏锋推法、跪推法、缠法有何异同点？
