【判断题】9将作用有垂直载荷的悬臂梁用多个杆单元作成
【单选题】— The man _________ was a friends of mine.
B.
whom you just talked to
C.
who you just talked to him
D.
which you just talked to
【单选题】The man _______ was a friend of mine. [ ]
B.
whom you just talked to
D.
which you just talked to
【单选题】Just as a married man cannot leave his work, a poor man cannot ________ to get sick.
【多选题】验收试验新机床和修理后的机床时,其内容主要包括机床空运转试验、几何精度检验、()等。
【多选题】新铣床几何精度的检验应严格按照验收精度和验收方法进行。铣床验收精度标准包括( )。