Which of the following is NOT the reason why telecommuting has become popular?
A.It can balance employees' work and life.
B.It can help save the cost for companies.
C.It can reduce conflicts between employers and employers.
D.It can kill the time spent in going to work from home.
第3题
已知板束厚度L0=60mm,钉杆直径d2=22mm,钉孔直径d1=23mm,钉头直径=39mm,钉头厚度h=15.5mm,调整数c=8mm,根据所给条件求所需铆钉长度。
第5题
当采用埋头铆钉连接时,微动损伤或裂纹主要发生哪里?在
A.钉杆与钉孔接触面上
B.划窝面上
C.铆钉头部
D.镦头边缘
第6题
铆钉杆的长度与板束厚度及()有直接关系。
A.钉孔直径
B.铆钉直径
C.铆钉头的直径
D.铆钉枪式样
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