1.
The body must be cleaned before installed and there is no dirt and sundries clinging to the body.
安装前必须清洁阀门内腔及密封面，不允许有任何杂物和污垢附着。
2.
Clean all carbon deposits from the combustion chambers, valve ports, valve stems, valve stem guides and hea
从燃烧室、阀口、阀杆、阀导管和盖清洁所有的积碳。
3.
Handling- Valves should always be installed in clean lines.
搬运处理-阀门应该安装在清洁的管线上。
4.
Hold the drain open until clean fuel exits the drain.
保持排泄阀打开直至清洁的燃油从排泄管流出。
5.
Assure both mounting base of gear operator (3) and valve top flange (6) are clean and dry.
确保齿轮操作机构(3)和阀门顶部法兰(6)的安装基座清洁并且干燥。
6.
C-is next to godliness.
[谚]清洁近乎圣洁。
7.
Twenty-four Hour Sentinel Flush keeps fixture fresh during periods of nonuse.
如果24小时内无人使用，则这种冲水阀能够自动冲刷一次，以保持卫生洁具的干净清洁。
8.
Wash often. Keep clean.
常清洗、保持清洁。
9.
Cleanliness is next to godliness. -- Francis Bacon
清洁仅次于圣洁。-- 培根
10.
synthetic detergents [fibers]
合成清洁剂 [纤维]
11.
To cleanse or purify or become cleansed or purified.
（使）清洁，（使）净化
12.
Sanitary Catering Trade must Be the Unity of Sanitary Produce,Sanitary Service and Sanitary Consumption;
论清洁餐饮必须集清洁生产、清洁服务与清洁消费于一体
13.
To make clean or orderly.
清理使清洁或有秩序
14.
machinery cleaner
机器清洁剂,机器清洁助剂
15.
Cleanliness: Tolerate no uncleanliness in body, cloths, or habitation.
清洁：身体、衣着和居所要力求清洁。
16.
a clean fuel; cleaner and more efficient engines; the tactical bomb is reasonably clean.
清洁燃料；更清洁、更有效率的机车；战术炸弹是比较清洁的。
17.
Neat and trim in appearance.
整洁的外表整洁和清晰的
18.
a cleansing cream,ie one that cleans the skin
洁肤膏（使皮肤清洁的乳剂） (