您要查找的是不是：
- Composed of a single valve or piece. Used of a shell. 单瓣的由单个瓣膜或部分组成的。用于壳
- Having a shell consisting of a single valve or piece. Used of a mollusk. 单壳的具有由单个瓣膜或部分组成的壳的。用于软体动物。
- Having a shell consisting of a single valve or piece.Used of a mollusk. 单壳的具有由单个瓣膜或部分组成的壳的。
- Additionally, this type of installation permits testing and/or servicing of a single valve without shutting down the complete line. 此外，这种类型安装还使得人们能够在不关闭整个管线的情况下，对某个阀门进行检测和/或维修。
- Single valve(built in):used in angle blade, coal pushing blade to control lift, hold, lower, float for the blade cylinder. 单阀（内置）：用于角铲、推煤铲。可实现铲刀油缸的提升、封闭、下降、浮动。
- composed of a single valve or piece 由单个瓣膜或部分组成的
- OPEN BAR WEDGE TYPE SINGLE VALVE BOARD SLUICE VALVE 明杆楔式单阀板闸阀
- Gas solenoid valve- single valve UGV series 燃气电磁阀-单阀UGV系列
- hydraulic controlled single valve 液控单向阀
- switch from single valve to sequence 单阀切顺序阀
- multipurpose shunt system single valve f-type 简化f型(脑积水)分流治疗系统
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- One single, second class, to winchester, please. 买一张去温撤斯特单程二等票。
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- I have had to work for every single penny I earned. 我挣的每一便士都是辛苦工作得来的。
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- Five twenties and ten single, please. 请给我5张20元的和10张1元的。
