液化天然气低温储存方式有()、混合法式制冷、膨胀法制冷。
参考答案:阶式循环法制冷
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-That sounds interesting. [ ]
A. Is this your ping-pong bat?
B. Are these your English friends?
C. I have a great picture collection.
D. Do you have a soccer ball?
在妇科疾病中,常用行气活血、通经化瘀作用的穴位组合是()。
A.补合谷、补三阴交
B.泻合谷、补三阴交
C.补合谷、泻三阴交
D.泻合谷、泻三阴交
E.补合谷、泻膈俞