螺纹的英文：
screw thread
thread
whorl
worm

参考例句：
  • Thread cutting
    螺纹切削
  • triple thread
    【机】三线螺纹
  • Screw on the box.
    在箱子上刻螺纹。
  • Flight depth in metering zone no deeper than mm(for screws up to mm dia) j
    测量区的螺纹深度不超过3.3mm(适合于螺杆直径100mm内)
  • A combination anode rod/hot water outlet nipple has been installed to extend tank life.
    为了延长内胆使用寿命,本热水器安装了组合型阳极棒/热水出口螺纹接头。
  • Connect the cold water supply line and hot water outlet lines using elbows, nipples and unions as shown in the diagrams.
    使用如图所示的弯管、螺纹接头、管道接头连接冷水进水管和热水出水管。
  • Gauges for sealing tube threads
    用螺纹密封的管螺纹量规
  • Trapezoidal thread gauges
    梯形螺纹量规
  • Gauges for tapered screw thread,metric series
    米制锥螺纹量规
  • Screw thread
    螺纹;螺丝牙
screw是什么意思：
n. 螺丝钉，螺旋状物；压力，扭曲；吝啬鬼；古怪的人
v. 拧，旋；逼迫；敲诈
  • Use the screw screw.
    用刑具夹人。
  • The wheels screwed.
    轮子旋转着。
  • Pointer screws.
    指针旋转着。
thread是什么意思：
n. 线，棉线，毛线；丝状体；螺纹；头绪，思路
v. 穿线于…，装胶片于…；通，通过；穿成
  • pipe bend with female thread
    两头带阴螺纹的弯头
  • To hang by a hair thread
    千钧一发
  • There is a common thread in these two stories.
    这两个故事之间有个共同的线索。
whorl是什么意思：
n. 轮生体,螺纹,螺旋一环,涡
vt. 使成涡漩
  • To coil or fold or cause to coil or fold in overlapping whorls.
    卷绕(使)盘绕起来或(使)卷起成重叠的螺旋状物
  • This is quickly followed by the appearance of the second whorl of stamen primordia
    接着很快出现了第二轮雄蕊原基。
  • A circular or whorled arrangement of flower parts such as those of petals or sepals.

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