承压型高强度螺栓可用于 ( )。
A、直接承受动力荷载D
暂无解析
I’veneverbeenoutofChina___________.Whataboutyou?
Thefanswereveryexcited______DavidBeckhamcametotheshow.
Itisobviousthatthisnewruleisapplicabletoeveryonewithout_____.
Sometimesabus____getsonthebustocheckthetickets.
—Haveyoufinishedthework?
—Notyet,butnomatterhowharditis,we'llkeep___untilwemakeit.
