薄壁开口环  thin cut ring

薄壁开口断面梁  thin-walled open section beam

开口薄壁  open thin wall; Open Thin-walled; Open mouth the thin wall

开口薄壁构件  thin-walled open-profile members

开口薄壁截面  thin-walled open cross section

开口薄壁箱拱  open thin-walled boxes arch

薄壁小口径  thin-thickness small-diameter

闭环开环控制  closed and opened loop control

层合开口圆柱壳  Laminated cylindrical open shells

大开口率  large opening rate

单壁开口碳纳米管  single-walled open-ended carbon nanotubes

刀盘开口率  rate of opening on cutterdisc

低矮小开口剪力墙  short shear wall with small opening

叠层连续开口圆柱壳  laminated con tinuous open cylindrical shell

隔板开口率  baffle opening rate

功率开环控制  open-loop power control

互补开口环谐振器  CSRRs; acid printed lustrine

环开口  Ring opening

开环y-u曲线单调  open loop y-u curve monotony