真空扩散泵 - CNKI知识搜索 腔、真空泵、真空阀门和真空表构成的,真空控制单元(Vacuum Con-trol Unit,VCU)通过终端盒(Terminal Box,TB)控制各真空组件。真空泵分为2级,初级为循环泵,次级为油扩散泵;真空表分别检测真空腔的压力和油扩散泵自
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AC exciter terminal box 交流励磁机接线盒
air insulated terminal box 空气绝缘接线盒
test terminal box 校验用端钮盒
terminal box knockout test 接线盒敲打测试
flame-proof terminal box 防爆型终端盒
intermediate cable terminal box 中间电缆盒
enclosed terminal box 封闭接线盒
neutral terminal box 中立终端盒 ; 中性终端盒 ; 中性接线盒
safety terminal box [电] 保险接线盒
Terminals: in explosive situations must complete sealing of the terminal box, the general situation can also be used heat shrink tubing and quick-drying silicone seal.
终端:在易燃易爆场合必须采用配套的终端密封盒,一般场合也可以采用快干硅胶和热缩套管密封。
And they type in "cappuccino" on a little terminal, which is basically a calculator on top of the cash box, and then they get $3.24 from that. They get a receipt.
他们在一个小终端机上输入“卡布奇诺“,那个终端机不过是个收银盒上价格计算器而已,他们划走了3。24美元,打出一张凭条。
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