[名词解释] 中间坡 intermediate grade
[名词解释] 压钩坡 coupler compression grade
[单选题]There are more forces accelerating the progress of science than retarding i
[判断题]驾驶机动车通过短而陡的上坡坡道时,采用加速冲坡的方法,在接近坡顶时应提前松开加速踏板,利用惯性冲过坡顶。()A.对B.错
[单选题]驼峰溜放部分又由()坡段组成。通过溜放坡给溜放车组以必要的加速度。A . 加速坡、中间坡、缓冲坡B . 峰顶坡、加速坡、道岔区段坡、编组线坡C . 加速坡、中间坡和道岔区坡、编组线坡D . 峰顶坡、中间坡、道岔坡、编组线坡
[单选题]The words such as quantity, grade, viscosity and specific gravity should be in the ().A . repair listB . spare parts order listC . price listD . bunker list
[单选题]机动车上长坡途中动力不足时应及时逐级减档,同时稳住加速踏板,但稳住加速踏板的位置不准超过踏板全程的()。A .4/5B .3/5C .1/2D .3/4
[单选题]24.________ in Grade Eight now.A. John and his sister are bothB. John isC. John's sister isD. Michael is
[单选题]Sally is a student of Grade Eight. She always works hard (11 ) her lessons. English is her favorite (12 ). She thinks that it is as (13 ) as Chinese, but it's more difficult (14 ) than Chinese. For example, a lot of English words and expressions are
[多选题] 汽车停在坡底全油门加速爬陡坡行驶时所受到的主要外力有()A . 滚动阻力B . 空气阻力C . 坡道阻力D . 加速阻力