Question

请帮忙英语翻译，谢绝软件和机器翻译

1.确认防尘帽（dust cover） 的清洗过程: 已确认清洗过程中的动作、参数设置、时间设置等与WI一致。
2.模拟产品端面（end face)检查工序，更换已清洗过的防尘帽；
3.放置5小时后，做端面检查:发现41PCS中有7PCS端面脏，不良率17%。
4.大概有10%的已清洁防尘帽会在放置一段时间后，存在可擦除的脏污.

Answer 1

1/Confrim the process of cleaning duxt cover:ensure the cleaning action,parameter and time setting are keep pace with the WI.
2/Check the end face of the simulation product adn replace the clean dust cover;
3/After 5 hours,41pcs of end face were checked:There are 7pcs got dirty.The defect rate is 17%.
4/After placed for a period time,are about 10% of cleaned dust cover were got dirty,but which could be clean.

楼主，英语要多用被动和倒装句，才符合西方阅读方式！你可以多多对比，综合最佳答案。
机器的就别看了！
请斟酌！

Answer 2

1. Make Sure of the process of cleaning dust cover: ensure the action in cleaning , parameter settings, time settings, etc. come in line with the WI.
2. Analog inspection process of the products' end face and replace the cleaned dust cap ;
3. After 5 hours , check the end face : found some dirty of 7PCS face in 41PCS ,with the rejection rate to be 17%.
4. Being placed after some time, about 10% of the clean dust cap will appear some erasable dirty.

Answer 3

1. Make sure the rinsing process for dust covers in line with as specified in WI（工作指导书）, in terms of rinsing movements, parameter setting, timing setting and so on.
确认防尘帽的清洗过程与工作指导书所规定的一致，在清洗动作、参数设置、时间设置等方面要一致。

2. Simulate the check-up process for end faces of the products and renew the rinsed dust covers.
模拟产品端面检查工序，更换已经清洗过的防尘帽。

3. After being placed for 5 hours, end faces were checked up and it was found that 7 pcs out of 41 were still stained, namely with a 17% defective percentage.
在放置5个小时以后，做端面检查，发现在，41个端面中有7个仍旧有污渍（脏），即不良率为17%。

4. It was also found that after being placed for more time, there were removable stains on the dust covers which accounted for about 10% of all rinsed ones.
另外还发现在在放置（更长的）一段时间，大概10%的已清洁防尘帽存在可去除的脏污。

如哪里可能与原文或您要表达的意思有出入，也可再提出进行修改或补充。