PORT注射部位的消毒方法:先用乙醇棉球清洁脱脂,再用碘伏棉球消毒两遍。
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A four-stroke cycle, turbocharged, 1000 horsepower diesel engine has been operating under loadThe load suddenly increases, causing excessive black exhaust smoke, and a rapid rise in the lube oil temperatureIn response to this condition, you should:()
A. reduce load
B. check your exhaust
C. adjust cooling water temperature
D. increase lube oil flow
日妆修饰中,关于肤色的修饰的说法,正确的有()。
A. 操作手法正确
B. 涂抹均匀,厚薄适中
C. 粉底与肤色协调
D. 妆面自然,润泽
金属家具中金属喷漆(塑)涂层附着力应不低于()级。
A. 1
B. 2
C. 3
D. 4
非耐硫变换催化剂还原时如放硫不彻底,会影响其使用活性。
A. 正确
B. 错误