Beneath the handwheel is a hexheaded externally-threaded diaphragm-retaining nut.
手轮下面是一个六角形外螺纹横膈膜止动螺母。
The upper stem is threaded into the diaphragm retainer nut.
上阀杆通过丝口旋在横膈膜止动螺母里。
The stroke may be limited by adjustable stops.
该行程可借助可调的止动螺钉加以限位。
Beneath the handwheel is one set of wrench flats on a nut threaded into the valve body. This is the diaphragm-retaining nut.
在手轮下面，在一个旋进阀体的螺母上面是一套扳手面。这是横膈膜止动螺母。
brake thrust screw
制动器止推调节螺钉
a supplementary nut that is screwed down on a primary nut to prevent it from loosening.
旋在主要螺母外防止其松动的辅助螺母。
A usually thin nut screwed down on another nut to prevent it from loosening.
防松螺母常指拧紧在另一个螺母上的防止其松动的细螺母
The ship's screw stopped.
那船的螺旋桨停止转动了。
Tab washers for round nut
GB/T858-1988圆螺母用止动垫圈
The adjusting of screw prevents the throttle valve from moving to the fully closed position.
调节螺钉防止节气门运动到全关闭位置。
Mother, it would appear, has ways of holding her offspring at arm's length.
然而，既然已经开始螺旋向内运动，因何又停止了呢？
The top sleeps [ is asleep ] .
陀螺转得定住了。(当陀螺转得很快, 很平稳时, 看上去就象静止不动一样)
(2)adopting barb thread design to improve the tensile- and compression-strength and to prevent unscrewing of the casing;
②采用倒钩螺纹设计 ,提高了螺纹的抗拉和抗内外压能力 ,可防止套管倒扣松动 ;
inside screw lift check valve
内螺纹升降式止回阀
Marine bronze male thread stop and check valves
GB/T596-1983船用外螺纹青铜截止止回阀
Marine forged steel male thread stop and check valves
GB/T1241-1983船用外螺纹锻钢截止止回阀
follower stud and unt
从动板柱螺栓及螺母
Inside the disk, the gas slowly works its way down to the stellar surface in a tight, spiraling motion like a whirlpool.
在圆盘内部，气体逐渐产生类似漩涡般密实的螺旋形运动，直到接近星体表面为止。