题目内容

SLS打印时，需要支撑才能打印成果（）

A. 对
B. 错

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SLS打印的零件致密度大于SLM打印的零件（）

A. 对
B. 错

What is the open time of "Spring House" in the evening?

A. 5:00-10:00 p.m.
B. 5:00-10:30
C. 5:30-10:00
D. 5:30-10:30

How many people will have dinner?

A. 1
B. 2
C. 3
D. 4

Mr. Bellow would like to reserve a table at _____________ area.