塑封机的英文：
A laminate is a material constructed by uniting two or more layers of material together. The process of creating a laminate is lamination, which in common parlance refers to sandwiching something between layers of plastic and sealing them with heat and/or pressure, usually with an adhesive.

laminate是什么意思：
vt. 制成薄板,制成箔
vi. 分成薄片
a. 薄板状的
n. 积层塑胶板,薄片制品

This laminator also had an optional reject sheet conveyor.
这款设备也有一款可供选择的薄片传送机。

Nonwovens, whether or not impregnated, coated, covered or laminated
无纺织物,不论是否浸渍、涂布、包覆或层压

Experiments have shown that normal lamination bonding does not adequately secure the laminations in gyro application
实验证明，普通联结叠片的方法不能合适地得到陀螺中所需要的叠片。

material是什么意思：
n. 材料，物质，素材
adj. 物质的，世俗的，重要的

invest material
覆盖材料

opaque materials
不透明物

This material is recyclable and will not pollute the environment.
这种材料是可循环利用的，因而不会污染环境。

constructed是什么意思：
v. 建造；构成；创立；（按照数学规则）编制，绘制；制造
n. 构思的结果，构想；概念

exoskeletal construction
骨架式建造术

a thing constructed; a complex construction or entity.
一种构造物；一个结构复杂的建筑实体。

hollow block construction
空心砖结构