处理过的

They used strings previously treated with powdered glass.

他们使用了事前用玻璃粉末的绳子。

Now they wear rubber fingers treated with lactic acid.

现在他们带了用乳酸的橡皮指套。

Solid acid alchlor catalyst was prepared from anhydrous aluminium trichloride through liquid solid solvent method,with pretreated bentonite as support.

无水三氯化铝为料,并的膨润土为载体,采用液固溶剂法制备固体酸催化剂。