【单选题】与同样尺寸和结构条件的直齿传动相比,_____是斜齿传动的优点。
【判断题】We shall cancel the contract if you fail open the relative L/C by the end of this year.()
【单选题】We wish to point out that stipulations in the relative L/C must be strictly in ______ the stated in our sales confirmation so as to avoid subsequent amendments of the L/C.
【单选题】In the phrase "relative L/C", "relative" doesn't mean___.
【简答题】We shall cancel the contract if you fail to open the relative L/C ______ the end of this year.
【判断题】液压传动系统因其工作压力可以很高,因而其最突出的特点是:结构紧凑,能传递大的力或转矩。
【单选题】根据以下内容,回答 153~154 题:
E.
药物的继发性 第 153 题 治疗量的药物只对某些组织器官产生作用,而对其他组织器官无明显作用的现象称为( )。