问题
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电动机运转超过（）h或（）年后应做一次定期检查。检查外壳、端盖、轴承、螺钉是完整可靠，检查风翅、通风道是否符合规定。绕阻是否有损伤，作好记录。
答案
参考答案：3000 半
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电动机运转超过（）h或（）年后应做一次定期检查。检查外壳、端盖、轴承、螺钉是完整可靠，检查风翅、通风道是否符合规定。绕阻是否有损伤，作好记录。
参考答案：3000 半
TEENSGIVING in SPRING 2010  Frequently Asked Questions What is TEENSGIVING? TEENSGIVING is an exciting event where hundreds of New York City teens gather together annually for a remarkable day of community service. This year, TEENSGIVING in SPRING 2010 participants will once again better New York City and impact thousands of lives! When is TEENSGIVING in SPRING 2010? SUNDAY, APRIL 25, 2010 Where is TEENSGIVING? All over New York City. Everyone will meet at the 92nd Street Y (92nd and Lexington) at 9:00 AM for the event kick-off. Then, all TEENSGIVING volunteers will disperse across the city to work with our partnering agencies where they will make a HUGE difference (and have fun!). Who participates in TEENSGIVING? Hundreds of teenagers from around the city. Teens come from the 92nd Street Y, various city schools, youth groups, and organizations in the area. In addition, many adult volunteers (ages 21 and older) will donate their time to TEENSGIVING in SPRING 2010. What projects do participants do at the agencies? Sample projects include painting park benches, planting gardens, visiting and playing with underprivileged children, assembling craft kits for children in hospitals, assisting at animal shelters, working at soup kitchens, delivering meals and celebrating with families at homeless shelters. Do I get anything for participating in TEENSGIVING? Yes! Everybody benefits! Teen volunteers will receive *6 hours* of community service credit, good towards honor society, high school graduation and college application requirements. Adult volunteers will be “thanked” with a light breakfast, a gift certificate for their troubles, and the satisfaction of helping our city’s youth contribute to their community. In addition, all teen and adult volunteers will receive a cool TEENSGIVING in SPRING 2010 T-shirt. This sounds awesome! How do I register for TEENSGIVING in SPRING 2010? Interested teens and/or adults should e-mail the TEENSGIVING Coordinator Josh Hyman at jhyman@92Y.org (subject: TEENSGIVING) to receive more information and to register for this fantastic event! **Teens can also contact their school’s Community Service Advisor** TEENSGIVING is sponsored by the 92nd Street Y. 45. TEENSGIVING is an event held ____________.
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