utmost vacuum seal的意思|示意

强真空密封 强真空密封 hard vacuum seal; highest vacuum seal; utmost vacuum seal 真空密封 hermetic seal; leaktight; vacuseal; vacuum sealing; vacuum tight seal; vacuum ..

翻译 ... living space翻译 生存空间, 可居住面积 utmost vacuum seal翻译 【化】 强真空密封 stepstone翻译 *['stepstәun] n. 楼梯石级 ...