跪: kneel; go down on one's knee ...撑: prop up; support背后: behind; at the back; in the ...控制: control; dominate; regulate; ...后控制挡板: barber-greene事后控制: feedback control最后控制: ultimate control相位滞后控制: phase lag control最后控制条件: final controlled conditions最后控制元件: final control elemnt俯仰角滞后控制: lag theta control摩擦后控制设备: nachgesteuerte reibeinrichtung resonance control damper/friction control feature气动最后控制元件: air operated final control element收油门后控制试验: test of control at breakway跪撑: ground holds; knee rest扁桃体术后控制出血: postoperative control of hemorrhage of tonsils腺样体术后控制出血: postoperative control of hemorrhage of adenoids跪撑抱腰控制近侧踝: waist and near-hip drive背后: 1.(后面) behind; at the back; in the rear 从背后袭击敌人 attack the enemy from the rear; 房子背后 at the back of the house; 门背后 behind the door2.(不当面) behind sb.'s back 背后说坏话 backbite; speak ill of sb. behind his back停火之后控制这种病很容易也可行: it's easy and feasible to control the disease after cease-fire跪撑摔: ground wrestling跪撑反夹头: front headlock跪撑防守: head and knees; on hands and knees跪撑封顶: elbow block and sprawl跪撑后摆腿: rear leg pull