1.
coat or surface(sth)with a protective substance, sealant,etc
给（某物）加保护层或面,或涂上密封胶等
2.
This connected burden receiving valve is lower sealing valve. This valve's structure is the same burden receiving valve, only diameter is differential.
与料流调节阀连接的是下密封阀，下密的结构与上密封相同，只是口径不同。
3.
Address, seal, and stamp the love letter.
信封上写好地址，密封好之后贴上邮票。
4.
bellows seal bonnet
波纹管密封型上阀盖
5.
She had 16 watertight compartments.
船上有16个密封舱，
6.
oiled sealed waterless gasholder
上油密封干式煤气柜
7.
"Mechanical seals that employ sprayed or laminated seal faces shall neither be considered equal, nor shall they be acceptable."
采用喷涂密封面或层压密封面的机械密封既与上述密封完全不同,也不能被接受。
8.
Tripe-lips type: the metal shield with long triple rubber lips has considerable large torque and good sealing.
三唇密封形式，金属防尘盖上带有三重细长密封胶唇的严格密封，具有较大的按触密封扭矩。
9.
Shaft Weather Seal: (Below bushing on some models.)
轴保护密封:(在某些型号上,轴保护密封位于衬套下方。)
10.
mend the hole and paint some sealant on
先把洞补好, 再涂上一些密封胶.
11.
Bolted cover plate to protect seal and cylinder from the ingress of debris.
上盖板可防止杂物进入缸筒损坏密封。
12.
I've bought a seal to put around the edge of the bath.
我买了一种密封胶涂在浴缸边缘上.
13.
Remove check valve and valve seal from booster.
从倍力器上卸去逆止阀和阀门密封。
14.
Two sealing blocks are needed for both upper and lower surfaces.
上下翼面各需要用两个密封嗔块。
15.
Some pistons have seating rings of metal or leather.
有些活塞上有金属或皮革的密封环。
16.
Application and Dissemination of Double-Vortex Seal in Pipeline Pump.
双螺旋密封在长输油泵上的推广应用
17.
Application of Bonding Agent and Sealing Compound to Countryside Coaches
粘接剂和密封胶在乡村客车上的应用
18.
pressurizing window
密封封口(电缆), 气密口