The easy-clean effect can only be tested after this hardening period.
易清洁效果只能在硬化后进行测试。
During the tobacco hardening period bed of tobacco seedling was the falling target of alate aphids and was the main resource of tobacco virus spread by aphids.
炼苗期烟草苗床是传毒介体有翅蚜着落的靶子中心，是烟田蚜传病毒病的主要初侵染源，为防治烟草蚜传病毒病的关键时期。
Leather Watchband is needless to say, sweat corrosion can cause premature hardening of belt cracking, normal maintenance should avoid sweating the wet period wear belt table.
皮表带就更不用说了，汗渍的腐蚀会使皮带过早硬化开裂，正常保养应该避免多汗多雨时期戴皮带表。
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