此病所用的方剂是
A.导痰汤
B.白虎加人参汤
C.四味回阳饮
D.通瘀煎
E.通关散
参考答案:A
_______ hard it is to plant so many trees around lake! [ ]
A. What
B. What a
C. How
D. How a
用直接加热干燥时,加热气体即向物料传热,又带走物料中蒸发出来的蒸汽。