Dive like a secret agent, colourful shoals of fish swim past, corals shimmer in the distance, while you enjoy the endless tranquility and discover the whimsical beauty of an unknown underwater world.
像特工一般潜水，五颜六色的鱼群从身边游过，珊瑚在远处微微发光，你享受着无穷无尽的静谧，探索着不为人知的水下世界神秘梦幻的美。
Anti dispersion agent for low fluidity loss underwater concrete was prepared with soluble high molecular polymer and tests on anti dispersion and fluidity loss were carried out.
采用速溶高分子聚合物，制成低流动性损失水下混凝土用抗分散剂，并进行抗分散性、流动性损失试验。
The present invention relates to a chemical agent for firming epoxy resin, in particular it is applicable to the low-temp. and moisture environment and underwater operation.
本发明涉及一种用于环氧树脂固化的药剂，特别适用于低温、潮湿环境及水下施工作业。
The present invention relates to a chemical agent for firming epoxy resin, in particular it is applicable to the low-temp. and moisture environment and underwater operation.
本发明涉及一种用于环氧树脂固化的药剂，特别适用于低温、潮湿环境及水下施工作业。
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