不平背印花有各类典范榜样, 其洋起绒印花和不收泡印花很驰名.Tridimension printing types, including fleece printing and foaming printing is very famous.起绒机是用来解开纤维的.A teaser is used to disentangle the fibers.涂料用量不适宜过多,否则, 微囊膨化后, 堆积于微囊间的涂料不对起绒感有不良感导.Rel...
Sulphur is also used to sterilize equipment.硫也可用来给器材消毒。to sterilize surgical instruments给外科手术器械消毒Antiseptic is used to sterilize the skin before giving an injection.杀菌剂被用于在注射前给皮肤消毒....
蜂鸟发现花蜜和花粉是很有营养的.Hummingbirds have discovered that nectar and pollen are very nutritious.为什么蜂鸟和大猩猩都有脊骨?Why do hummingbirds and gorillas both have backbones?小蜂鸟栖在山楂树枝上.The hummingbird perches on a twig of the hawthorn....