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- valve core and valve cover 阀芯阀套
- Welding of Valve Stem and Valve Core 阀杆与阀头的焊接问题
- The earth has a core and a mantle around it. 地球的中心是地核，地核的周围是地幔。
- Install relief valve cover nut and tighten. 安装安全阀阀盖螺母,并加以紧固。
- The earth have a core and a mantle around it. 地球的中心是地核，地核的周围是地幔。
- Replace the cylinder outlet seal and valve cap. 替换钢瓶排气口密封和阀门帽。
- Clip cable to cable guide at valve cover. 把电缆夹进阀盖上的电缆导槽。
- Chelsea to the core and a true hero to the fans. 他是球队的核心,他是球迷的英雄。
- Core And Equilibrium Of A Large Economy Brand W.H. 大经济中的核和均。
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- She ate the entire apple, core and all. 她吃了整个苹果，果核和全部。
- Complete valve data: figure number and valve size. 完整的阀门参数:型号和阀门通径。
- Creativeness is the core and soul of advertisement. 摘要创新是广告的核心和灵魂。
- Replaceable Stainless Steel Seat and Valve Disc. 可更换不锈钢阀座和阀瓣。
- Remove the four screws holding the first check valve cover. 拆卸固定第一止回阀阀盖的四个螺丝。
- Remove the four bolts that hold the relief valve cover in place. 拆卸固定安全阀阀盖的四个螺栓。
- Remove the relief valve cover bolts while holding the cover down. 拆卸安全阀阀盖螺栓,握住阀盖并将其取下来。
- Internally the earth consists of two parts, a core and a mantle. 地球的内部由两部分组成:地核和地幔。
- The processis the core and hinge of obtain shipbuilding order form. 它是新船成交的核心，也是造船企业能否取得订单的关键。
- Class director is the core and key to construct harmonious class. 摘要班主任是构建和谐班级工作的关键点和核心。
