词汇	fossil paper
释义	fossil paper 薄石棉；古石棉
随便看	double-bladed knife switch double-bladed paddle double-bladed plough double bladed plow double blade function double blade horn spatula double blade implant double blade kneader double blade mace double blade mixer double blade rectal speculum double blades Double-blades BPM double blades chisel for spine double-blade screw anchor double-blade semaphore double-blade shutter double-blades screw anchor double blank Double-blank-control double blanket Double Blanket Method double blast double blast time sequences double bleached cotton yarn woven tubular roll