【单选题】过氧乙酰硝酸酯容易伤害敏感植物的( )部位。
【判断题】物价水平是指一般物价水平,而不是指某一种商品的价格。( )
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
【单选题】If ten different part programmers were asked to develop a process plan for the same part, they would probably come up with ten different ________.