【单选题】“ The Legend of the White Snake” in Chinese belongs to a ________
【判断题】单向阀的功能是靠单向型密封圈来实现的。下图中,(a)给出一种单向节流阀剖面图,(b)为图形符号。当空气从气缸排气口排出时,单向密封圈在封堵状态,单向阀关闭,这时只能通过调节手轮,使节流阀杆上下移动,改变气流开度,从而达到节流作用。反之,在进气时,单向型密封圈被气流冲开,单向阀开启,压缩空气直接进入气缸进气口,节流阀不起作用。因此,这种节流方式称为排气节流方式。【图片】
【单选题】Data线走线时,每8根线为一组,走( )。异层
【单选题】Who chose the twelve animals in the Chinese Zodiac according to the legend?
A.
The King of the animals.
B.
The Empress and the Emperor.
【单选题】Data线走线时,每8根线为一组,走( )。异层
【单选题】In the legend about the origin of Nian (the Chinese Spring Festival), Nian is a ________.
B.
person with the supernatural power