The exporting sewing machines in stout waterproof material, and in pairs in lightweight crates.
The exporting sewing machines in stout waterproof material, and in pairs in lightweight crates.
The roof of the residential building was constructed in August. The waterproof coiled material was paved during the day. It was found that the waterproof coiled material was bulging and leaking during the acceptance after the construction. Explain the causes of the above engineering problems.
The roof of the residential building was constructed in August. The waterproof coiled material was paved during the day. It was found that the waterproof coiled material was bulging and leaking during the acceptance after the construction. Explain the causes of the above engineering problems.
waterproof是指“防水的”，shockproof的词义有可能是（ ）。
waterproof是指“防水的”，shockproof的词义有可能是（ ）。
中国大学MOOC: The waterproof coating will _____________very quickly or after many years depending on use and care.
中国大学MOOC: The waterproof coating will _____________very quickly or after many years depending on use and care.
You should bring a waterproof jacket and strong boots in case of ___ weather. A: rainy B: stormy C: wet D: raining
You should bring a waterproof jacket and strong boots in case of ___ weather. A: rainy B: stormy C: wet D: raining
___is required to be carried in lifeboat but not in life raft. A: waterproof electric torch B: hatchet C: adar reflecto D: ocket parachute flare
___is required to be carried in lifeboat but not in life raft. A: waterproof electric torch B: hatchet C: adar reflecto D: ocket parachute flare