他收到了两份工作邀请。
A. He received two job offers.
B. He was also offered a job.
C. He was the first to receive an offer.
D. He received too many offers.
做一个简短的自我介绍。
A. Make a brief self-introduction.
B. Talk about your family.
C. Talk about your education experience.
D. Talk about your working experience.
注塑过程中的排气主要包括ˍˍ。
A. 浇注系统中的空气
B. 型腔中的空气
C. 塑料含有的水分挥发出的气体
D. 以上皆是
小型ABS制品,利用顶针排气时,单边排气间隙可以选取ˍˍ。
A. 0.02mm
B. 0.06mm
C. 0.10mm
D. 0.15mm