I think the boy won the first prize by （         ）luck, not by his ability.

3.Clean the connector (28) pins with Rubbing alcohol (isopropyl) to clean off any accumulated grease and /or dirt.

2.BE CAREFUL WHEN HANDLING ELECTROLYTE AND AVOID SPLASHING.

1.Inspect the battery, make sure there is no evidence of electrolyte leakage. If there is electrolyte leakage, do a general overhaul.

以下不属于交接到位的基本要求的是

以下不属于准备到位内容的是

以下不属于准备到位内容的是

不属于举手识淡薄的表现的是

关于举手意识以下说法正确的是

不属于风险意识淡薄的表现的是

不属于红线意识淡薄的表现的是