coating of plastics造句

例句與造句

Dental sealants are coatings of plastic that are applied to the chewing surfaces of molars, where food tends to get lodged in pits and fissures that are difficult to clean thoroughly with a brush.
The damaged insulation, an orange-colored coating of plastic foam one to two inches thick, prevents ice from forming when the silo-shaped tank is being filled with super-cold propellants, liquid hydrogen and liquid oxygen, for the shuttle's three main engines.
:: My guess is that the steel does indeed have a thin coating of plastic, designed to keep it from rusting until after you buy it, use it once ( burning off the plastic coating ), and then find a rusted piece of junk after you soak it in the sink.
Cartridges that " can be fired in a handgun " that have " a projectile that has a metal core and an outer coating of plastic " are prohibited . " This section does not apply to nylon coated ammunition, plastic shot capsules, or ammunition designed to be used in rifles or shotguns ."
It's difficult to find coating of plastics in a sentence. 用coating of plastics造句挺難的