筒阀

bailer grab

打捞爪

bailer dart 捞砂筒底阀 | bailer grab 打捞爪 | Bailey bridge 贝雷式桥

double line abreast

双横队

double drum winch 双筒绞车 | double line abreast 双横队 | double non-return valve 双向止回阀

separating

分开的

separatevalveboxtypepistonpump 独立阀箱式活塞泵 | separating 分开的 | separatingbowl 分离筒

rotary spark gap

旋转火花放电路

"rotary sleeve valve","转筒阀" | "rotary spark gap","旋转火花放电路" | "rotary sprinkler","旋转喷洒器"

flangeless liner

无凸缘衬筒

flangeless ends 无法兰连接端 | flangeless liner 无凸缘衬筒 | flangeless valve 无法兰阀

steam twills

斜纹交棉织物织(英国产)

"卸水器,凝汽筒","steam trap" | "斜纹交棉织物织(英国产)","steam twills" | "蒸汽瓣,汽阀","steam valve"

ball and socket reamer

肘节扩眼器

ball and seat valve 球形止回阀 | ball and socket reamer 肘节扩眼器 | ball bearing core barrel 滚珠轴承内筒不转的岩心筒

drum selector switch

卷筒(形)选择器开关

drum scraper assembly;筒形刮土板总成 | drum selector switch;卷筒(形)选择器开关 | drum selector valve;卷筒(形)选择器阀

sleeve poppet valve

提动套筒阀

套筒螺帽 sleeve nut | 提动套筒阀 sleeve poppet valve | 筒靶 sleeve target

trip cut-off valve gear

跳动停汽阀机构

三筒汽化器 trip barrel carburetor | 跳动停汽阀机构 trip cut-off valve gear | 跳动挡 trip dog

antiquated law：兩- 過時的法例

anti-fraud 兩- 打擊欺詐 港- 打擊詐騙 台- 制止背信 | antiquated law 兩- 過時的法例 | anti-trust 兩- 反托拉斯;反壟斷 台- 反托拉斯;反獨佔;反壟斷

permutable：可排列

permutability 转置性 可置换性 换排性 | permutable 可排列 | permutate 重排列