问题
单项选择题
螺杆泵流量不足时，不能解决问题的方法是（）。
A、降低液面高度
B、清洗滤网
C、疏通管道
D、提高油品温度
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
螺杆泵流量不足时，不能解决问题的方法是（）。
A、降低液面高度
B、清洗滤网
C、疏通管道
D、提高油品温度
参考答案：A
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| Today is March 7th, and tomorrow is __1__. Dally wants __2__ her mother something. Dally __3__ 10 dollars. She is thinking about __4__. She thinks and thinks. Then she has an __5__. "I can buy a card __6__ my dear mother." Dallky goes to the supermarket and buys a beautiful card. She __7__ some words on it. She show it to her mother and says, "Here is a card for you, mum." Her mother is __8__ happy. " __9__, Dally." She says. Dally is __10__, too. | ||||
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