Stem to wedge connection is inside the seating faces supporting the wedge ears during opening. More robust with less mass.
在开启期间，阀杆与楔板的连接位于阀座表面支撑内。既降低重量，又增加稳固性。
The paper introduced the principle and methods of supporting combined the slit wedge bolt in small diameter with steel reinforcement in roadway with compound roof, and obtained economic effects.
介绍了回采巷道复合顶板条件下采用小直径管缝式锚杆加钢筋梯式组合网支护的原理、方法和取得的经济效果。
The requisition relates to an all set anchor pole for supporting tunnel, composed of a pole body, a supporting board, a head wedge, an anchor head with a denticle and a cement cartridge bag.
本申请是一种用于巷道支护的配套锚杆。由杆体，托板，顶头楔，带有小齿的锚头以及水泥药包组成。
The movable device mainly consists of the nut, bolt, lifting wedge, backseat, supporting seat of the clamp plate, spring and pressure plate and so on.
活动装置主要有螺母、螺栓、提升楔块、后座、座板支座、弹簧以及压板等组成。
The movable device mainly consists of the nut, bolt, lifting wedge, backseat, supporting seat of the clamp plate, spring and pressure plate and so on.
活动装置主要有螺母、螺栓、提升楔块、后座、座板支座、弹簧以及压板等组成。
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