bolt with one end bent back
... clinic 诊所 clink bolt 弯头螺栓 clink 丁当声;裂纹;丁当地响 ...
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... 弯头接合 knee-joint 弯头螺栓 bolt with one end bent back 弯头锁紧螺母 elbow jam unt ...
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弯头应该用螺栓固定在湿井地面,并且设计成具有不需要任何螺栓、螺母或皮带即可连接泵设备的连接法兰的能力。
The elbow shall be bolted to the floor of the wet-well and be so designed as to receive the pump connecting flange without the need for any bolts, nuts or clamps.
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弯头应该用螺栓固定在湿井地面。
The elbow shall be bolted to the floor of the wet-well.
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