Excessive energy is also required to achieve appropriate pressures and vacuums.还需要额外的能量来造成所需的压力和真空.My personal theory is that needs and desires create mental vacuums.我个人的理论是,需求和欲望制造了思想真空.Both vacuums and pure oxygen cond...
Choose washable curtains.选择可水洗的窗帘。Acrylic fabrics are both warm and washable.丙烯酸纤维织物既暖和又耐洗.Materials are all washable and none or minimum iron.料子可以洗,但勿用熨斗熨,或尽量少烫....a family room with washable covers on the furniture.家具上...