螺母

hexagon nipples

六角螺纹管子扳头

hexagon nipple 六角螺纹接套 | hexagon nipples 六角螺纹管子扳头 | hexagon nut wrench 六角螺母扳手

hexagon nipples

六角外螺丝

hexagon iron ==> 六角铁 | hexagon nipples ==> 六角外螺丝 | hexagon nut ==> 六角螺母

zinc-coated screw

镀锌螺钉

zinc-coated nut ==> 镀锌螺母 | zinc-coated screw ==> 镀锌螺钉 | zinc-coated steel sheet ==> 镀锌薄钢板

pump handle

泵的手把

pump half coupling lock nut ==> 泵联轴器的锁紧螺母 | pump handle ==> 泵的手把 | pump head ==> 泵的压头,泵压头,水泵扬程=>揚程(ポンプ)

Valve stem guide

阀导杆

valve-spring washer 气门弹簧垫圈 | valve-stem guide 阀导杆 | valve-stem lock nut 阀杆防松螺母

air valve cap

气阀盖

air union nut 气管接合螺母 | air valve cap 气阀盖 | air valve 空气阀

union orifice tee

联接孔口的三通管

union nut;联管螺母 | union orifice tee;联接孔口的三通管 | union tee;T形接头

union joint

连接头,连结器接头

unilateral transducer 单向换能器,单向传感器 | union joint 连接头,连结器接头 | union nut 管接螺母

union joint

管节连接

union gate 或门 | union joint 管节连接 | union nut 联管螺母

elbow union

弯头套管

弯头锁紧螺母 elbow jam unt | 弯头套管 elbow union | 弯头套筒扳手 offset socket wrench

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