n.石棉

Isrel businessman wants to import drainpipe, asbestus, and alluminum alloy material. 以色列商人求購排水管（三元乙丙橡膠制）、礦（石）棉、鋁合金材料。

The analysis shows that the thickness of asbestus between bolt and baseplate and the effect of heat insulation have some effect on the polytetrafluoroethylene working temperature. 結(jié)果表明：螺栓與上基板之間的石棉隔熱層厚度及隔熱效果影響聚四氟乙烯的工作溫度。

Asbestus, Dry ice, Material infectants, Lifesaving facilities, gas engines, Polystyrene, Automatic vehicles, Chlorite, Remote control toys, Magnetic materials, Electronic wheelchairs, etc,. 常見的有石棉、干冰、環(huán)境污染物、救生設(shè)備、裝有內(nèi)燃機的機械設(shè)備、聚苯乙烯珠粒料、自帶動力的交通工具、二亞硫酸鋅、遙控玩具、磁性物質(zhì)、電動輪椅等。

Keywords plasma spray coating asbestus half metal friction material brake system friction characteristic; 等離子噴涂;涂層;石棉;半金屬;制動系統(tǒng);摩擦特性;