... has good barrier ability, moisture, damp proof, rain-proof, parsnip, frost protection, isolate oxygen, oil ... var aBigImageSrc = [ 'http://i01.i.aliimg.com/photo/v19/681796289_1/Three_layer_Coextruded_Film_Blowing_machine_China.jpg' , 'http://i01 ... .jpg' , 'http://i01.i.aliimg.com/photo/v19/681796289_4/Three_layer_Coextruded_Film_Blowing_machine_China.jpg' ]; var ...