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- Today, air entrainment is recommended for nearly all concretes, principally to improve resistance to freezing when exposed to water and deicing chemicals. 如今，引氣幾乎在所有的混凝土中使用，用以提高暴露水中混凝土的抗凍性和抗化學(xué)腐蝕性。
- Immediately call a qualified service technician to inspect the water heater and replace any temperature sensor(s), electronic control board, or insulation that has been exposed to water. 請立即致電擁有資格認證的電氣維修技術(shù)人員來(lái)檢查熱水器，并更換任何已經(jīng)接觸到水的溫度感應器，電氣控制板，或絕緣保溫層。
- Poor John was exposed to the wind and rain. 可憐的約翰處于風(fēng)雨交加之中。
- The relic, when exposed to air, turned to dust. 這件文物，接觸空氣之后，變成了粉末。
- Rubber boots are impervious to water. 橡膠鞋是防水的。
- New it has been exposed to the light of day. 現在它已經(jīng)暴露在光天化日之下了。
- That is the only way to water down its influence. 這是沖淡它的影響的唯一辦法。
- The color fades when exposed to light. 這顏色曝光後會(huì )褪色。
- As a result, we have to water the vegetable garden. 因此我們不得不給菜地澆水。
- The farmers drove wells to water the crops. 農民打井灌溉莊稼。
- The teacher had to water down the course for a slow-learning class. 教師不得不降低課程的要求以遷就慢班的學(xué)生。
- The child broke out into a rash five days after being exposed to infection. 這小孩受了感染5天之后，發(fā)出一片紅疹。
- Steam is condensed to water when it touches a cold surface. 水蒸汽觸及冷的表面即凝結成水。
- Iron exposed to damp air will rust. 放在空氣潮濕地方的鐵會(huì )生銹。
- You have to water down the medicine before drinking it. 你得把這種藥加水稀釋後再服用。
- The relic,when exposed to air,turned to dust. 這件文物，接觸空氣之后，變成了粉末。
- They were exposed to enemy attack on all sides. 他們四面受敵。
- It adapts itself to water with low oxygen content. 它能適應含氧量少的水。
- We have to water this cactus once a month. 我們必須每月給仙人掌澆一次水。
- The machine is exposed to the wind and rain . 這臺機器經(jīng)受風(fēng)吹雨打。
