1mm was fit by the carbide tooth and the drilling shoes were expanded to open.
1 mm表层套管钻井钻头(镶齿固定式和延展胀开式钻鞋)、244。
To apply oil industry special purposed floating hoop and shoe on coalmine service borehole casing lowering and consolidation,the main issue need to be solved is how to automatically open the valve,let the slurry pass through when the pumping pressure rising to 2MPa,otherwise the valve will be in off state all along.
将石油专用浮箍浮鞋用于煤矿服务钻孔的下管及固井工作中,需要解决的主要问题是如何使其在泵压达到2MPa时,阀门自动打开,容许浆液通过,否则阀门始终处于关闭状态。
Application of Oil Industry Special Purposed Floating Hoop and Shoe on Coalmine Service Borehole Casing Lowering and Consolidation
石油专用浮箍浮鞋在煤矿服务钻孔下管和固井中的应用
kick off one's slippers, shoes, etc
踢脱拖鞋、 鞋等.
For boots shoes, work shoes, leisure shoes, foam rubber sole pads, babies shoes and high quality leather shoes.
用于马鞋、运动鞋、工作鞋、休?鞋、海绵鞋、婴儿鞋、高级皮革鞋类缝制。
felt slippers with pompons on vamps
鞋面钉绒球的毡拖鞋
one with a thick sole and the other with a thin one.
一只鞋底厚，一只鞋底
footwear usually with wooden soles.
通常有木制鞋底的鞋子。
the outer sole of a shoe or boot.
鞋或靴的外层的鞋底。
The shoemaker's wife often goes in ragged shoes.
[谚]鞋匠的老婆没鞋穿。
The cobbler's wife is the worst shod
鞋匠的老婆没有好鞋穿
Untie the lace and take off your shoe.
解开鞋带脱掉鞋子。
the inner sole of a shoe or boot.
鞋或靴的内层的鞋底。
a flat-heeled sandal with an upper of woven leather straps.
平底、条带鞋帮便鞋。
Six awls make a shoemaker .
六个鞋砧，练出一个鞋匠。
Please put new soles on these shoes.
请把这只鞋换新鞋底。
These shoes need soling and heeling.
这鞋需上鞋底和修後跟.
cross strap V-throat sandals
v形鞋口交叉扣带便鞋
I go the shoe maker to mend the shoes.
我去鞋匠铺修补鞋子。
These shoes lace easily.
这些鞋的鞋带很好系。