hub bolt face 轮毂螺栓表面
planetary housing bolt face 行星传动箱螺栓头端面
with flat-face swivel contact bolt 与平面旋转接触面螺栓
The paper introduces an adjustable compounding light-duty emulsion pump station used for temporary fore support at the roof-bolt face of underground heading roadway.
本文介绍煤矿井下掘进巷道锚杆支护工作面用于临时超前支护的一种可调配比式轻型乳化液泵站。
His face flushed scarlet and he sat bolt upright.
他的脸涨得通红,笔直地坐着。
I push off against his face, crawl across the yard, get inside, bolt the door.
我推开了他的脸,爬过院子,爬进屋里,栓上了门。
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