1.
valve seat insert(valve seat ring)
气门座镶圈（嵌镶式气门座圈）
2.
harbor portal crane for general use
港口通用门座起重机
3.
carbide tipped valve seat reamer
硬质合金气门座铰刀
4.
Repairing Technology Improvement of Engine Valve & Valve Seat
内燃机气门及气门座修理工艺的改进
5.
"adjusting valve tappet clearances (also called adjusting valve lash), grinding valves and valve seats."
气门维修包括调校气门间隙(也称气门余隙),研磨气门和气门座.
6.
"After the cam lobe moves out from under the valve lifter, the valve spring forces the valve up onto its seat again."
当凸轮凸角离开气门挺杆,气门弹簧使气门重新回到气门座上。
7.
Lifting appliances--Vocabulary--Portal slewing cranes
GB/T6974.10-1986起重机械名词术语门座起重机
8.
Specifications for the harbour portal crane
GB/T17495-1998港口门座起重机技术条件
9.
Repairing technique rules for the harbour portal crane
GB/T17496-1998港口门座起重机修理技术规范
10.
opera window
汽车尾座门上的小窗
11.
Ginza Line to Tora-nomon, right?
从银座线到虎门，对吗？
12.
gantry-travelling type coordinate measuring machine
移动龙门型座标测量机
13.
Passenger is request to remain seat until the main door is open.
乘客们被要求在座舱门打开之前呆在座位上。
14.
Pull the power outlet door out of the power outlet housing using a twisting motion.
用扭转方法将电源插座门拉出电源插座壳体。
15.
All valve seats and seat discs shall be replaceable.
所有阀门阀座和阀座阀瓣应该是可更换的。
16.
The theatre was full and a lot of people had to be turned away.
剧场满座了，许多人被拒之门外。
17.
the structure consisted of a series of arches; she wore her hair in an amazing construction of whirls and ribbons.
这座建筑物包含一系列的拱门。
18.
The archway is beautiful and the expressway excellent.
这座拱门真漂亮，这路也是一流的。