penetration

The floor is sealed to prevent water penetration..地板加了密封涂料防止渗水。

the company's successful penetration of overseas markets.公司对海外市场的顺利开拓

penetration rate,焊透率；穿进速率；进尺速度

penetration depth,穿透深度；有效肤深

penetration test,渗透试验；透入度试验

market penetration,市场渗入；行销渗透

penetration resistance,贯入阻力，穿透阻力；抗穿刺性

water penetration,漏水；渗水；透水力

weld penetration,焊透深度；焊接渗透；焊透

rate of penetration,机械钻速；钻进速度

penetration method,贯入法，灌入法；渗透法

cone penetration test,针入度试验；锥体贯入度试验；触探试验

lack of penetration,未焊透

full penetration,全熔透；焊透

internet penetration,互联网普及率；英特网的市场占有率

penetration coefficient,穿透系数，渗透系数

partial penetration,部分穿透；[军]局部侵彻

dye penetration,渗色；染料渗入；染色渗透