The front cover exactly matches this shape and also has a raised circular area that fits into a matching countersunk area of the block in front of the main bearing.
封面完全匹配这个形状和也提出了圆形区域，可以成为一个匹配埋头面积块前面的主轴承。
The main parts of pump are pump casing, pump cover, impeller, shaft, sealing ring, shaft sleeve, bearing and shaft seal etc.
泵主要由泵体、泵盖、叶轮、轴、密封环、轴套、轴承、轴封等零件组成。
Oil may be forced out through the timing cover and rear-main bearing oil seals.
机油会从正时齿轮盖和后主轴承油封处压出。
Cylinder using cover support on the main bearing.
筒体利用端盖支承在主轴承上。
Extra large body of bridge bears the whole main bearing foundation of structure of bridge, service life and security of the whole bridge of back cover quality relation of the foundation pit.
特大型桥梁的锚体或承台都是全桥的主要承重结构的基础，基坑的封底质量关系全桥的使用寿命和安全。
Extra large body of bridge bears the whole main bearing foundation of structure of bridge, service life and security of the whole bridge of back cover quality relation of the foundation pit.
特大型桥梁的锚体或承台都是全桥的主要承重结构的基础，基坑的封底质量关系全桥的使用寿命和安全。
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