...头(macro lens)进行，也可在普通镜头上加上近摄附加镜’( close一up attachment lens) ,近摄接圈(extension ring)、皮腔(bellows)等缩短摄距进行。微距镜头分为微距摄影专用型与通用型两类。
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BELLOWS POCKET 风琴袋 ; 开式对裥贴袋 ; 琴键袋 ; 吊袋
Bellows valves 波纹管阀 ; 波纹管截止阀 ; 进口波纹管阀门 ; 涟漪管阀
Bellows seal type 波纹管密封式 ; 波纹管式 ; 波纹管弥缝式 ; 船用波纹管管密封式
Bellows reducing valve 波纹管式减压阀 ; 波纹管式降低压力阀 ; 波纹管式 ; 船用波纹管管式
actuator bellows 执行机构波纹管 ; 执行机构涟漪管
bellows valve [机] 波纹管阀 ; 涟漪管阀 ; 弹簧箱阀
bellows pump 波纹管泵 ; 风箱泵 ; 膜盒式泵 ; 隔膜泵
bellows seal [机] 波形密封 ; [机] 波纹管式密封 ; 波纹管密封 ; [机] 膜盒密封
bellows pressure gauge [机] 波纹管压力表 ; 波纹管式压力表
In this paper, the magnetic fluid sealing equipment of the vacuum coating machine driving control handle was designed, which replaced the welt metal bellows.
随着社会与科技的进步,其应用领域会越来越广泛。 本文对用于真空镀膜机上的传动控制轴密封装置进行了设计,替代了原有的焊接金属波纹管密封。
参考来源 - 真空镀膜机用磁性液体真空密封装置设计及实验研究Expansion joint is the device containing one or more bellows and some components used to absorb or compensate dimension changes, such as those caused by thermal expansion or contraction of pipeline.
波纹管膨胀节是由一个或几个波纹管及结构件组成,用来吸收或补偿热胀冷缩等原因引起的管道和(或)设备尺寸变化的装置1。
参考来源 - 波纹管膨胀节绘图软件的研究与开发Using bellows is a very important skill in playing an accordion.
手风琴风箱的运用，是手风琴演奏中的重要技术。
参考来源 - 论手风琴风箱技术的运用·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
V-T/V-I If someone bellows, they shout angrily in a loud, deep voice. (人) 吼叫
"I didn't ask to be born!" she bellowed.
“我没有请求被生下来！”她大声吼道。
She prayed she wouldn't come in and find them there, bellowing at each other.
她祈祷着她不会进去后就发现他们在那里冲着对方互相吼叫。
N-COUNT Bellow is also a noun. 吼叫声
I was distraught and let out a bellow of tearful rage.
我心烦意乱，发出了一声悲愤的吼叫。
V-I When a large animal such as a bull or an elephant bellows, it makes a loud and deep noise. (大型动物) 低嚎
A heifer bellowed in her stall.
小母牛在牛棚里低嚎。
N-COUNT A bellows is or bellows are a device used for blowing air into a fire in order to make it burn more fiercely. 风箱 [also 'a pair of' N]
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