A composition of bitumen, pitch, lime, and gravel, used for forming pavements, and as a water-proof cement for bridges, roofs, etc.
concrete water-proofing oil
[建] 混凝土防水油
water-proof grease
[化] 防水润滑脂
water-proof paper
[化] 防潮纸
water-proofing additive
[化] 防水剂
water-proofing agent
water-proofing agent PF
[化] 防水剂PF
