The cold weather had most deleterious consequences among the chrysanthemums.
寒冷
天气对菊花产生了极有害
影响。

;
;
;
;
;
,损害
;
, 毁灭性
;
,


;
, 有利
;
作用,有毒影响The cold weather had most deleterious consequences among the chrysanthemums.
寒冷
天气对菊花产生了极有害
影响。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放
有害气体
组成。
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