梯形

double angle shear

梯形剪切/不同角度剪切

Angle cut blank 平行四边形落料 | double angle shear 梯形剪切/不同角度剪切 | Shaped blank 带形状落料

self-centering buttress thread

自动找中的梯形螺纹

self-centered 静止的 | self-centering buttress thread 自动找中的梯形螺纹 | self-centering 自动定心的

buttress thread screw

斜梯形纹螺钉

链钮;钥钮 button; key | 斜梯形纹螺钉 buttress thread screw | 乳油计 butyrometer

BUTT Buttress thread

梯形扣

18. BUB Balled up 泥包 | 19. BUTT Buttress thread 梯形扣 | 20. BHP Brake horsepower 制动马达

half keystone ring

单面梯形活塞气环

half irradiation ==> 半剂量照射 | half keystone ring ==> 单面梯形活塞气环 | half landing ==> 半层休息板

ladder chain

梯形链

ladder belt 安全带 | ladder chain 梯形链 | ladder dredger 链斗挖泥机

ladder track

梯形[路]线

戽梯式挖掘(凿)机 ladder excavator | 梯形[路]线 ladder track | 梯路 ladder way

ladder track

梯形线

ladder to manhole ==> 人孔梯子 | ladder track ==> 梯形线 | ladder trencher ==> 多斗式挖沟机

leaning thread

倾斜螺纹,梯形螺纹

leaned || 变稀混合气 | leaning thread || 倾斜螺纹,梯形螺纹 | leaning wheel || 倾斜轮

Trapezed steel wire for spring washer

弹簧垫圈用梯形钢丝

123 GB/T 5221-1985 铬硅弹簧钢丝 Chromium-silicon spring ... | 124 GB/T 5222-1985 弹簧垫圈用梯形钢丝 Trapezed steel wire for spring washer | 125 GB/T 5223-1995 预应力混凝土用钢丝 Steel wires for prestre...

photoperiodic response：光周期响应

photoperiodic induction 光周期诱导 | photoperiodic response 光周期响应 | photoperiodism 光期性

Multi-Variate Statistical Analysis：多元统计剖析

311. 多项距阵 Multi-Nominal Matrix | 312. 多元统计剖析 Multi-Variate Statistical Analysis | 313. 发电厂 Power Plant