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- valve with ball seat 球座阀
- Solenoid valve with ball seat 球阀式电磁阀
- Improved run with ball AI a little. 提高了带球突破的智能。
- The boys were playing with balls. 男孩子们正在玩球。
- A player with ball in hand must play from the balk. 拿球的选手必须从开球区开始打。
- Brass foot valve with stainless s. 供应黄铜底阀。
- Mr.Chen was turning over the stiff valve with a wrench. 陈先生正用扳手转动那个已失灵的阀门。
- Ball valve adopts double inclined plane flexible seal ring, efficiently reducing the frication between ball body and valve seat, and operation moment, and ensuring the service life of ball seat. 当介质的冲刷力较大时.;特别设计的阀座防冲刷结构能有效防止介质的冲刷;确保阀座的使用寿命
- Carolina Rig - With ball sinker just in front of the hula. 珠型铅坠设在树脂墨鱼的正前方。
- Series B combines a modified A valve with a male luer lock adapter. 系列A有能与无针滑扣式接头柱头适配的母型滑扣式接口.
- Mr. Chen was turning over the stiff valve with a wrench. 陈先生正用扳手转动那个已失灵的阀门。
- The position of the ball seat and key flats must be noted on stock list when not in standard position on oblong and rectangular punches and buttons. 当椭圆形，矩形的冲头及入子没有在标准的位置时，球锁的位置及扁平键应该标在料表清单上。
- Air inlet throttle valve with pneumatic actuator and positioner. 空气进气节流调节阀：带有气动定位和执行机构。
- Blowdown bottom ball seat is specially designed to avoid blowout in operation of water well. 泄压式底部球座是避免水井作业时冒喷而专门设计的水井管柱底球。
- Film Roll is held in place, top and bottom, with Ball Bearing Chucks. 薄膜卷固定在适当的位置，顶部和底部有滚动轴承夹头。
- Fill kill and choke valves with seawater. 将压井阀和阻流阀注满海水。
- The landing collar comprises housing, ball seat and latch. The latch holds ball seat through pins. After the hanger is set, pressure is applied to release the ball seat. 由外壳、锁紧座和球座等组成。锁紧座与球座通过销钉连接，憋压座挂后再加压，球座脱落，循环重新畅通。
- Read the pressure drop across the valve with a Watts Series PG meter. 利用美国瓦茨系列PG仪器读出通过阀门的压降。
- Standard gear actuators are sized to seat or unseat the valve with a rimpull requirement of less than 250 Ibs. 标准齿轮操作机构是根据启闭阀门所需的边缘拉力来选型的，适用于边缘拉力小于250磅的阀门。
- Insert stem/ball into stem boss from inside body with ball rotated to align port with waterway. 将球体旋转对准水路端口，从阀体内将阀杆/球体插入阀杆轮箍内。
