请协助我们 meaning in Chinese

helus to keethe tube litter free
luggage must not be put in the gateway

Help us make your comments count . please use our
请协助我们使您的意见得以重视。
Please help us keep it clean and attractive . transgressors will be severely punished
请协助我们保持站区清洁。违者必将严处。
Kindly please help us to fill in the questionnaire and feel free to write down your queries or comments
请协助我们填写该问卷调查表，并留下您的建议或意见。