薄壁开口断面梁
thin-walled open section beam
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
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
开环y-u曲线单调
open loop y-u curve monotony