问题
判断题
角阀阀体内有一个阀芯和阀座,由阀杆带动阀芯上、下移动来改变阀芯与阀座之间的相对位置,从而改变流过阀的流量。
答案
参考答案:对
角阀阀体内有一个阀芯和阀座,由阀杆带动阀芯上、下移动来改变阀芯与阀座之间的相对位置,从而改变流过阀的流量。
参考答案:对
用方框内单词的正确形式填空,每个单词限用一次。(10分)
The people at Lenny’s are also 小题6: than those at Carol’s. In fact, Lenny’s is one of the friendliest 小题7: in town. They have the biggest hamburgers and the 小题8: salad. But their pizza is pretty小题9: .You should 小题10: have pizza at Lenny’s! |