交变负载

文摘:将模糊数学理论引入可靠性设计中，考虑预紧力和轴向变载荷状态的影响因素，建立螺栓联接的模糊可靠性设计准则，并给出了设计实例。

changing the structure

changing of colour filters

TARIFF(S) changing in electric meters

tap changing

changing a corner couch into a double bed

changing into a double bed

cassette-changing arrangement, automatic magnetic tape storage device

cassette-changing arrangement