通用的手提袋印刷标准尺寸分三开，四开或对开三种。每种又分为正度或大度两种。
Universal bag printing standard size three open, four open four-color or three. Each kind is divided into two kinds of positive degree or degree.
在共鸣板的制作中，强度是非常关键的，四开（也叫做“径切面”）木材非常重要。
Because strength is critical in the construction of the soundboard, quarter-sawn(also known as edge-grain)lumber is essential.
通过一个宽大的四开型舱门，1-2个武装运兵车，一台战斗车辆和两辆卡车可以进入飞机。
Through a wide quadrivalve manhole 1-2 armoured troop carriers, a fighting vehicle or two lorries may enter the plane.
除了恢复《绝望主妇》的拍摄工作，伊娃还有一个新的项目：她在洛杉矶开的拉丁餐厅将在本周四开业…
Along with her work on the show, Longoria-Parker has another project: her new Latin restaurant Beso opens in Los Angeles on Thursday.
介绍Z8640双工位四开模热芯盒射芯机常规继电器线路控制系统整改为可编程序控制器（PLC）控制系统的目的、应用和技巧。
Purpose, application and skill in control system transformed from conventional banked relay to PLC control system on Model Z8640 hot box core shooter have been introduced.
经现场应用表明，该体系舱有效地解决堂古5井四开井段盐膏层易溶解、易垮塌造成的井壁不稳定问题，满足了堂古5井的钻井施工要求。
The application in the wellsite shows that the new drilling fluid system effectively solves the problems of bore-hole stability and satisfies for the drilling operation of Tanggu 5 well.
经现场应用表明，该体系舱有效地解决堂古5井四开井段盐膏层易溶解、易垮塌造成的井壁不稳定问题，满足了堂古5井的钻井施工要求。
The application in the wellsite shows that the new drilling fluid system effectively solves the problems of bore-hole stability and satisfies for the drilling operation of Tanggu 5 well.
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