设备日常保养的“十字作业”法：“清洁、润滑、调整、紧固、防腐”
查看答案
TPM的意思就是“全面生产维护”。
A. 对
B. 错
Alice often helps the () people at nursing home.
A. private
B. younger
C. illegal
D. elderly
The small ads at bus stops should be().
A. clean out
B. cleaned out
C. clean off
D. cleaned off
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