词汇	containment sump
释义	containment sump 安全壳地坑
随便看	viscosity gradient viscosity-gravity viscosity gravity chart viscosity-gravity chart viscosity gravity constant viscosity-gravity constant viscosity gravity number viscosity-gravity number viscosity improvement agent viscosity improver viscosity in body viscosity increaser viscosity increasing viscosity increasing agent viscosity-increasing agent viscosity increasing effect viscosity increment viscosity index viscosity-index viscosity index blending value viscosity index chart viscosity index constituents viscosity index extention viscosity index figure viscosity index improver