()是塔式超重机防止塔机相同一个方向转动扭断电缆线的安全装置。
A.回转限制器
B.变幅限制器
C.各部位制动器
D.力矩限制器
参考答案:A
Living in _______ ever increasingly fast-paced world, we are facing greater competition, so we must take ________ advantage of every opportunity to develop.
A.an; the
B.an; /
C.the; an
D.the; /
装置引入高压氮气时,其管线上的各级()应正常投用
A.排气阀
B.导热阀
C.减压阀
D.压力表