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- The problems on the operation of the primary cooler with mixed oil are explicated, the method of improvement and practice effect are described. 文中阐述了初冷用混配油操作中存在的问题，介绍了改进方法及实践效果。
- Technology of Washing Primary Cooler 初冷器的清洗技术
- Improvement on Liquid Spraying System of Horizontal Pipe Primary Cooler 横管初冷器液体喷洒系统的改进
- The operating situation in the cross pipe primary cooling process for COG is described. The feature, effect and existing problems in primary cooling process after modification have been pointed out. 叙述了焦炉煤气横管初冷工艺中的操作情况,指出了改造后初冷工艺的特点、果及存在问题。
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
- He only accepted the primary education off and on in his childhood. 他小时候只断断续续地接受过初等教育。
- The primary reason for advertising is to sell more goods. 做广告的根本目的是要多出售货物。
- The direct type of evaporative air cooler uses primary wet surfaces. 直接蒸发式空气冷却器是利用原有的湿表面工作的。
- Collins was nosed out by his opponent in the primary. 柯林斯在初选中就被他的对手击败了。
- Not derived from something else; primary or basic. 基本的不是从它物派生的; 原本的或基本的
- We lost the New Hampshire primary. 我们在新罕布夏州的初选失利了。
- We regard husband and wife as the primary units of the family. 我们把夫妻视为家庭的基本成员。
