发布时间:2025-01-30 05:29:17
刚扦插的苿莉花不要晒太阳可防扦条脱水干枯坏死,放在向阳通风处可防病、虫害,有利扦条的成活。不要时常浇水可防扦条腐烂,做到盆土不干不浇,干后浇透。通常一个月后会长根长叶。
焊接钢管无缝钢管钢板国标规格下的厚度厚度允许的误差范围是多少
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